chắc chắn 
firm like: hart → →
hart ☊ 
cứng ☊ 
☊ hart ☊ 硬的 ☊ yìng de Die Matratze ist zu hart und die Bettdecke ist zu kurz! ☊ Cái nệm quá cứng và cái chăn thì quá ngắn! ☊ (Lektion 54, Nr. 770) She stubbornly refuses to admit the truth. ☊ admit ☊
We've got a lot of hard work ahead. ☊ ahead ☊
You need to work hard to keep ahead. ☊ ahead ☊
All five men are hard workers. ☊ all ☊
You've had all the fun and I've had all the hard work. ☊ all ☊
He's worked hard all year. ☊ all ☊
Tom is not alone in finding Rick hard to work with. ☊ alone ☊
It was good to see her finally reaping the benefits (= enjoying the results) of all her hard work. ☊ benefit ☊
It was blowing hard. ☊ blow ☊
+ adv./prep.: You're not blowing hard enough! ☊ blow ☊
It was a shattering blow to her pride. ☊ blow ☊
capacity for sth: She has an enormous capacity for hard work. ☊ capacity ☊
After missing a term through illness he had to work hard to catch up with the others. ☊ catch up (with sb) ☊
a sales chart (= showing the level of a company's sales) ☊ chart ☊
She works hard in class (= during the class). ☊ class ☊
You're just coasting—it's time to work hard now. ☊ coast ☊
We won the contract in the face of stiff competition. ☊ competition ☊
Graduates have to fight for jobs in a highly competitive market. ☊ competitive ☊
The coach made the team work hard on ball control (= in a ball game). ☊ control ☊
Her eyes were cruel and hard. ☊ cruel ☊
Her father's death was a cruel blow. ☊ cruel ☊
She works harder than he does. ☊ do ☊
You're driving yourself too hard. ☊ drive ☊
She only got where she is today through hard work and a driving ambition. ☊ driving ☊
a hard (= very harmful) drug such as heroin ☊ drug ☊
emphasize that...: She emphasized that their plan would mean sacrifices and hard work. ☊ emphasize ☊
It was raining harder than ever. ☊ ever ☊
She tried extra hard. ☊ extra ☊
The report is based on hard facts (= information that can be proved to be true). ☊ fact ☊
There are about 30 000 species of fish in the world. ☊ fish ☊
Hard work is fundamental to success. ☊ fundamental ☊
frosted/toughened glass ☊ glass ☊
My father was a hard man. ☊ hard ☊
She gave me a hard stare. ☊ hard ☊
His voice was hard. ☊ hard ☊
He said some very hard things to me. ☊ hard ☊
It's hard work shovelling snow. ☊ hard ☊
I've had a long hard day. ☊ hard ☊
This season has been a hard slog. ☊ hard ☊
They had put in hours of hard graft. ☊ hard ☊
She's a very hard worker. ☊ hard ☊
He's hard at work on a new novel. ☊ hard ☊
When I left they were all still hard at it (= working hard). ☊ hard ☊
He gave the door a good hard kick. ☊ hard ☊
a hard punch ☊ hard ☊
a hard choice/question ☊ hard ☊
Times were hard at the end of the war. ☊ hard ☊
She's had a hard life. ☊ hard ☊
Wait for the concrete to go hard. ☊ hard ☊
a hard mattress ☊ hard ☊
Diamonds are the hardest known mineral. ☊ hard ☊
It's hard on people who don't have a car. ☊ be hard on sb/sth ☊
to work hard ☊ hard ☊
Don't hit it so hard! ☊ hard ☊
Our victory was hard won (= won with great difficulty). ☊ hard ☊
a heavy schedule ☊ heavy ☊
She hit the ball too hard and it went out of the court. ☊ hit ☊
Times are hard and we have to husband our resources. ☊ husband ☊
She's a tough lady. ☊ lady ☊
The land was very dry and hard after the long, hot summer. ☊ land ☊
We are still absorbing the harsh lessons of this disaster. ☊ lesson ☊
In London life can be hard. ☊ life ☊
a hard/an easy life ☊ life ☊
Everything has become just that little bit harder. ☊ little ☊
There is no magic formula for passing exams—only hard work. ☊ magic ☊
The government is introducing tougher measures to combat crime. ☊ measure ☊
The clear message coming from the government is that they are getting tough on crime. ☊ message ☊
The song reached number 5 in the charts. ☊ number ☊
He's hard on his kids. ☊ on ☊
My favourite band? Oh, that's a hard one (= a hard question). ☊ one ☊
The only passport to success is hard work. ☊ passport ☊
The team has been training hard in preparation for the big game. ☊ preparation ☊
The government insists that 'prison works' and plans to introduce a tougher sentencing policy for people convicted of violent crime. ☊ prison ☊
promote sb: She worked hard and was soon promoted. ☊ promote ☊
There is little evidence that harsher punishments deter any better than more lenient ones. ☊ punishment ☊
the harsh realities of life ☊ reality ☊
rest (from sth): to have/take a rest from all your hard work ☊ rest ☊
The end result (= the final one) of her hard work was a place at medical school. ☊ result ☊
They had fought hard for equal rights. ☊ right ☊
We'll get someone in to do the rough work (= the hard physical work). ☊ rough ☊
The skin on her hands was hard and rough. ☊ rough ☊
There are no hard and fast rules for planning healthy meals. ☊ rule ☊
Leave the concrete to set for a few hours. ☊ set ☊
The band's last single shot straight to number one in the charts. ☊ shoot ☊
She worked hard so that everything would be ready in time. ☊ so ☊
All these students are good, but some work harder than others. ☊ some ☊
People tend to work hard at this stage of life. ☊ stage ☊
start doing sth: I started off working quite hard, but it didn't last. ☊ start off ☊
They worked hard to give their children a good start in life. ☊ start ☊
a stiff brush ☊ stiff ☊
They face an uphill struggle to get to the finals of the competition. ☊ struggle ☊
You will have to work hard if you are to succeed. ☊ succeed ☊
Teeth have a hard surface layer called enamel. ☊ surface ☊
She swallowed hard and told him the bad news. ☊ swallow ☊
It was all a great success—thanks to a lot of hard work. ☊ thanks to sb/sth ☊
There were three questions. The first two were relatively easy but the third one was hard. ☊ the ☊
Life was harder then because neither of us had a job. ☊ then ☊
You can only achieve success through hard work. ☊ through ☊
Times are hard for the unemployed. ☊ time ☊
You have to be firm, but at the same time you should try and be sympathetic. ☊ at the same time ☊
I'm under no illusions about what hard work this will be. ☊ under ☊
I understand how hard things have been for you. ☊ understand ☊
You'll wear yourself out if you carry on working so hard. ☊ wear yourself/sb out ☊
a mild/severe/hard winter ☊ winter ☊
If you wish really hard, maybe you'll get what you want. ☊ wish ☊
She earned her grades through sheer hard work. ☊ work ☊
Taking care of a baby is hard work. ☊ work ☊
a hard/fast/quick/slow worker ☊ worker ☊
The job involves a lot of hard work but it's worth it. ☊ worth ☊