请把安全带系好。

Fasten your seat belt, please.

youdao

法律规定必须系安全带。

The wearing of seat belts is required by law.

《牛津词典》

泰德六岁时，我们决定让他知道怎样系和解他的安全带。

When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt.

《柯林斯英汉双解大词典》

Then she proceeds to explain that there's lacing over, on the one hand, bowling shoes laced under and lacing under, on the other hand.

于是她接着解释这是足背系带的保龄鞋，那是。

耶鲁公开课 - 文学理论导论课程节选

That's passing laws that protect people from themselves, seatbelt laws, for example, or motorcycle helmet laws.

即制定保护人们免受自身行为伤害的法律，诸如系安全带，骑摩托车带头盔的法规。

耶鲁公开课 - 公正课程节选

Take a match to the department.

别真的带火柴到系上来。

耶鲁公开课 - 政治哲学导论课程节选