| 释义 |
| | | | NOUN | | | | | | the symbol ‘?’ that is used at the end of a sentence to show that it represents a question . It is a type of punctuation mark . 问号（？） | | PHRASE | | - | a question mark over sth
| | a doubt about whether something is good or correct , or whether it will be successful | | 对某事物打问号 | | | | There’ s still a big question mark over her ability. 她的能力如何仍是个大问号。 | | | | |