dos and don'ts

Từ điển Oxford Advanced Learner 8th

▪ I. dos and don'ts [dos and don'ts] BrE NAmE
» ↑do ¹ _n.
 
▪ II. dos and don'ts idiom
(also do's and don'ts) (informal)rules that you should follow
• Here are some dos and don'ts for exercise during pregnancy.
Main entry: ↑do_idiom