be sure to

US /bi ʃʊr tu/

UK /bi: ʃuə tu:/

A1 初級
phr.片語務必
Be sure to lock the door when you leave.
phr.片語一定要
If you visit Rome, be sure to see the Colosseum.
phr.片語注意要
Be sure to check the expiration date before you buy it.

影片字幕