idiomUKused to say that thepersonaskingyou something alreadyknowstheanswer, because it isexpected:(表示问话者理应知道答案)还用问吗?"Did heupseta lot ofpeopleat themeeting?" "Need youask!"“他在会上触怒了很多人吗?”“那还用问!”SMART Vocabulary: related words and phrasesHabitual and customary
accustomed
all in a day's workidiom
as a (general) ruleidiom
as a matter of courseidiom
as per usual/normalidiom
knee-jerk
mainstreaming
make it a ruleidiom
mechanical
more often than notidiom
natural
nine
prevail
pro forma
regulation
rule
surprise
surprise, surpriseidiom
trad
usu.
See more results ?(Definition ofneed you ask!from theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/need-ask##