giỏi về khoa học 
good in sciences [ giỏi ] : good, skilled, clever, capable, adept
[ về ] : (1) about, concerning, regarding; (2) in, towards; (3) to come back, return, go
[ khoa ] : subject of study, specialty; classifier for exams, course
[ học ] : to study, learn (how to); field of study
Most Common Compounds Set 1:
Most Common Compounds Set 2 :