Bob can attend to the raised hands and clear the questions.

Bob可以注意到是否有人举手并解答问题。

youdao

She raised her hands to the back of her neck.

她把双手伸到后脖子上。

《柯林斯英汉双解大词典》

The Pope's hands were raised in benediction.

教皇举起手来祝福。

《柯林斯英汉双解大词典》

Many raised their hands in surrender.

VOA: special.2009.11.05

I'm not getting a lot of hands raised.

挺少的啊

耶鲁公开课 - 金融市场课程节选

Jews who are descendants of the priestly caste of Aaron, the first High Priest in the Bible, covered their heads with prayer shawls and raised their hands to bless the congregation.

VOA: standard.2010.04.01

Five old men were dancing side by side, connected one to the other by handkerchiefs held in their raised hands.

CNN: Dancing (with abandon) into old age

Fifteen of the twenty people raised their hands in support of the Massachusetts option and nobody raised a hand in support of the others.

NEWYORKER: Romney��s Dilemma

One elderly man raised his hands and crouched, but declined to lie head first.

CNN: 's Karl Penhaul