raise one's hand
US /reɪz wʌnz hænd/
UK /reɪz wʌnz hænd/
成语
举手
to lift one's hand to get attention, to volunteer, or to vote
示例:
•
If you know the answer, please raise your hand.
如果你知道答案，请举手。
•
The teacher asked the students to raise their hands before speaking.
老师要求学生在发言前先举手。