升调指不确定。你需要其他人确认在你说或做某事之前是正确的。

A rising intonation means you are not sure. You need the other person to confirm that you are correct before you say or do anything else.

youdao

用在动词之前，表示允许做某事。

Used before a verb, to indicate permission to do something.

youdao

用在动词之前，表示允许做某事。

Used before a verb, to indicate permission to do something.

youdao