question mark
/BrE 
, AmE ˈkwɛstʃən ˌmɑrk /
noun
1 Linguistics 问号
2 (doubt) 疑问;
a question mark about or over sth/sb 对某事物／某人的疑问;
there is a question mark hanging over his future 他的前途是个问号
question mark
English → Chinese
Oxford English–Chinese