like: cái bài học
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
cái bài học * ☊ 
lesson * ☊
[ cái ] : (1) [CL for most inanimate objects, isolated events]; (2) object, thing; (3) female; (4) main, principle; (5) solid substances in soup (as opposed to nước, the liquid, broth)
[ bài ] : (1) text, lesson, (newspaper) article; (2) (playing) card; (3) against, vs., anti-; (4) [CL for speeches, newspaper articles]; (5) Mandarin symbol of office; (6) to arrange, display; (7) means, way, method, procedure
[ học ] : to study, learn (how to); field of study
[ cái ] : piece
[ bài ] : post