raise hand
US /reɪz hænd/
UK /reɪz hænd/
短语
举手
to lift one's hand to indicate that one has a question, wants to speak, or agrees with something
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 if they had any questions.
老师要求学生们如果有问题就举手。