I must ask you not to do that again.

我得劝你别再那样做了。

《牛津词典》

You must ask one or other of your parents.

你必须问你的父亲或母亲。

《牛津词典》

You must ask her for some help in our trouble.

你一定请她在我们困难的时候帮帮忙。

youdao

"If senators refuse to debate about a profound crisis affecting every single citizen, the nation must ask 'What do you fear?' ,'And whose voice do you speak and whose interest do you vote?" Republican Mitch McConnell of Kentucky disagreed, saying the bill will make soaring health care costs go even higher, and place a greater burden on average Americans.

VOA: standard.2009.11.23

The losing side must come to the winning side and they must ask permission to pick up their dead and bury them.

战败方必须出使战胜方,征求胜方同意,让他们可以,拣回本方死者的尸体进行安葬

耶鲁公开课 - 古希腊历史简介课程节选

In order to attend, you must know the date and the time. You can ask your friend, "When is your wedding?"

为了能够出席，你必须知道具体的日期和时间，你可以问你的朋友，“When is your wedding？”

When 课堂 - SpeakingMax英语口语达人

One important question companies must ask themselves is: Can we actually become a data driven company?

FORBES: Curing the Big Data Storage Fetish

Before proceeding, committees must ask themselves some important questions and work through key issues.

FORBES: CIO Outsourcing: Questions Investment Committees Need to Ask

Instead, you must ask about food intake and determine if there has been significant weight change.

BBC: Viewpoint: Why malnutrition matters