用法及例句：

確信；證實

Make sure you lock the door when you go out.

出門的時候一定要確保門鎖好了。

Make sure the wires don't touch.

一定不要讓金屬線搭在一起。

Make sure the edges are glued down.

一定要把邊緣粘牢。

Make sure you rinse all the soap out.

一定要把皂液沖洗乾淨。

Make sure that you are not underinsured.

確保你的保險是足額的。

Make sure that you defrost it completely.

確保將其徹底除霜。