bài học đáng giá 
valuable lesson [ 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
[ đáng ] : to deserve, to merit; worthy, worth
[ giá ] : (1) cost, price; to cost; (2) if
Most Common Compounds Set 1:
Most Common Compounds Set 2 :