Do not hesitate to ask.

不要犹豫问问题。

He did not hesitate to express his dissent.

他毫不犹豫地表达了他的异议。

Don't hesitate to wen if you have any doubts.

如果你有任何疑问，不要犹豫问。

He didn't hesitate to jump into the new project.

他毫不犹豫地跳进了新的项目。

In an emergency, do not hesitate to cry for help.

在紧急情况下，不要犹豫求救。

He didn't hesitate to help when he saw the accident.

看到事故时，他毫不犹豫地去帮忙。

If you are overburdened, do not hesitate to seek help.

如果你负担过重，请不要犹豫寻求帮助。

Don't hesitate to ask questions if you don't understand something.

如果你不明白什么，不要犹豫问问题。

If you have any questions, do not hesitate to ask me.

如果你有任何疑问，不要踟躇，尽管问我。

They hesitate to invest in new technology due to the high costs.

由于成本高，他们犹豫是否投资新技术。