Feel free to ask questions if you don't understand.

你要是不懂，可以随便提问。

《牛津词典》

People don't like to ask questions for fear of appearing ignorant.

人们不喜欢问问题，生怕显得自己无知。

《柯林斯英汉双解大词典》

There were two new arrivals, fidgeting around, waiting to ask questions.

有两个新来的人，坐立不定，等着提问。

《柯林斯英汉双解大词典》

But the evening really gets interesting after the scientist's talk ends and the audience gets to ask questions.

VOA: special.2010.05.14

Now I'm going to pause for a minute and let you ask questions, or make comments,or throw things,or whatever.

我暂时说到这儿，你们可以提问，或评论，扔臭鸡蛋，都可以。

耶鲁公开课 - 新约课程节选

It tends to be a one-way flow of communication From the faculty to the students. It highly confined Students have limited opportunities to ask questions.

那是从教授到学生,单向的信息流动,这种模式限制了学生提问的机会。

麻省理工公开课 - 媒体、教育、市场课程节选

Once you find a company or agent that you are comfortable with, ask questions.

FORBES: How To Choose The Right Life Insurance Policy

"I am able to ask questions that other priests may not get at, " he says.

WSJ: Sometimes, a Second Career Requires a Leap of Faith

Regardless, ask questions, demand answers, and make sure that you understand the conflicts and your exposure.

FORBES: Bill Singer��s Comment