You're asking too much of him.

你对他要求过分了。

《牛津词典》

You're asking too much.

你要求太高。

youdao

"In asking you to remember those two noble kinsmen nuncle Richie and nuncle Edmund," Stephen answered, "I feel I am asking too much perhaps."

“我曾请你们记住那两位高贵的亲族——里奇叔叔和爱德蒙叔叔，”斯蒂芬回答说，“我觉得我也许要求得过多了。”

youdao

There is too much talking in the room so I am asking you to stop now in respect for your classmates.

教室里太多人说话了,我命令你们马上停下来,为了尊重其他同学。

麻省理工公开课 - 固态化学导论课程节选

It's like, "Stop asking about the tent!" because I guess I was whining too much.

还说“不要再提关于帐篷的事！”，
可能是我抱怨了太多。

FAO Schwarz的回忆 - SpeakingMax英语口语达人

It may be asking too much to expect the policy experts to eat a little humble pie.

FORBES: To See the Health Costs in Front of One's Nose Is a Constant Struggle

Is it asking too much of religious and political leaders in Muslim communities to adopt a similar attitude?

WSJ: Stephens: Muslims, Mormons and Liberals

She listens carefully, but then tells you if you are asking too much.

FORBES: Legal Tools For Entrepreneurs