HSK 3.0 11000 CHINESE WORDS
1 老 lǎo old, aged;of long standing, outdated, tough, overgrown, dark (of colors) 2 老 lǎo old, aged;of long standing, outdated, tough, overgrown, dark (of colors) 2 难题 nántí problem, Gordian knot, grief, sticker, question, enigma, difficult problem, puzzler, spinosity, stickler, a hard nut to crack, puzzle, toughie, poser, difficulty, crux, nut, challenge, tickler, conundrum, knot, hump, knottiness, stinker, puzzlement, teaser, stumper, twister 4 锻炼 duànliàn to toughen, to temper, to engage in physical exercise, to work out, (fig.) to develop one's skills, to train oneself 5 厉害 lìhai terrible, devastating, tough, sharp 5 严厉 yánlì stern, toughen, maul, severe 5 硬 yìng hard, stiff, firm, tough, obstinate 7 出难题 chū nántí to raise a tough question 7 坚韧 jiānrèn tough and durable, tenacious 7 倔 jué crabby, tough 7 利害 lìhai pros and cons, advantages and disadvantages, gains and losses, terrible, formidable, serious, devastating, tough, capable, sharp, severe, fierce 7 流氓 liúmáng roughscuff, rip, yobbo, badmash, swashbuckler, rascal, riffraff, scamp, raff, rapscallion, rogue, rowdy, hooliganism, cur, picaroon, varmint, yobo, ruffian, hector, roughneck, gaolbird, scalawag, gorilla, no-good, scallywag, hoodlum, limmer, tearaway, blackguard, picaro, hooligan, hessian, bullyboy, rascallion, indecency, bully, plug-ugly, shoulder-hitter, dingbat, caird, tough, varlet, sc 7 强硬 qiángyìng tough, unyielding, hard-line 7 韧性 rènxìng toughness
ENGLISH 6000 THEME WORDS
OXFORD 5000 CORE WORDS
tough B2 adj.
TANAKA 6000 CORE WORDS
tough
cứng nhẳng 
tough
[ cứng ] : hard, firm, rigid, tough
[ nhẳng ] : slender, thin and frail
You're tough .
Bạn cứng rắn .
cứng nhẳng tough [ nhẳng ] : slender, thin and frail
You're tough . | Bạn cứng rắn . |