My elder brother practices singing on Fridays. ☊ 
Anh tôi luyện tập hát vào những ngày thứ sáu. ☊ Verbs 2.5 like: những ngày → →
where are now the days of our childhood? ☊ nào đâu những ngày thơ ấu? ☊ in the next few days ☊ trong những ngày gần tới đây ☊ in the next few days, in the upcoming days ☊ trong những ngày tới ☊ 
Für die weitere Behandlung soll Tri am nächsten Tag zum Augenarzt gehen. ☊ Vào những ngày sau đó Trí nên đến bác sỹ mắt để chữa trị tiếp. ☊ (Lektion 53, Nr. 757) There was more money around in those days. ☊ around ☊
You have to be highly competitive to do well in sport these days. ☊ competitive ☊
People are confused about all the different labels on food these days. ☊ confused ☊
the early days of computers ☊ day ☊
Most women stayed at home in those days. ☊ day ☊
in the old days (= in the past) ☊ day ☊
These days kids grow up so quickly. ☊ these days ☊
Looking for a job these days can be very depressing. ☊ depressing ☊
What's Tom doing these days? ☊ do ☊
in the early days of space exploration (= when it was just beginning) ☊ early ☊
He ended his days in poverty. ☊ end your days/life (in sth) ☊
I've shown him the photographs but even now he won't believe me. ☊ even now/then ☊
I remember little of the days that followed the accident. ☊ follow ☊
I'm really getting into jazz these days. ☊ get into sth ☊
I hate these grey days. ☊ grey ☊
guarantee sb sth: These days getting a degree doesn't guarantee you a job. ☊ guarantee ☊
Those were the happiest days of my life. ☊ happy ☊
a holiday job (= done by students during the school holidays) ☊ holiday ☊
Where are you going for your holidays this year? ☊ holiday ☊
I like it now the days are getting longer (= it stays light for more time each day). ☊ long ☊
In those days most people left school when they were only fifteen years old. ☊ old ☊
The days seemed to race past. ☊ race ☊
rare (to do sth): It is rare to find such loyalty these days. ☊ rare ☊
rely to do sth: These days we rely heavily on computers to organize our work. ☊ rely on/upon sb/sth ☊
remember (that)...: I remember (that) we used to go and see them most weekends. ☊ remember ☊
In those days women led fairly restricted lives. ☊ restricted ☊
We spent the weekend sailing off the south coast. ☊ sail ☊
in the days of sail (= when ships all used sails) ☊ sail ☊
It's quite something (= a thing that you should feel happy about) to have a job at all these days. ☊ something ☊
The store stays open until late on Thursdays. ☊ stay ☊
She's not very steady on her feet these days. ☊ steady ☊
I did some acting in my student days. ☊ student ☊
'How are you these days?' 'Oh, surviving.' ☊ survive ☊
That was in the days before electricity was available at the flick of a switch. ☊ switch ☊
He never comes to see me these days (= now, as compared with the past). ☊ this ☊
We go skiing most weekends in winter. ☊ weekend ☊
All her yesterdays had vanished without a trace. ☊ yesterday ☊
In his younger days he played rugby for Wales. ☊ young ☊