like: khổ công
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
khổ công * ☊ 
hard work,; to take great pains, work hard * ☊
[ khổ ] : unhappy, wretched, miserable; width
[ công ] : (1) labor, effort, work; (2) (bank) account; (3) peacock; (4) duke; (5) wages, salary, pay; (6) fair, equal, just; (7) public, common; (8) to attack