Definition: to take action so that you are certain that something happens, is true, etc. Level: A2
离开时务必锁好门。
___Make ___sure you lock the door when you leave.
请务必带上你的伞。
Please ___make ___sure you bring your umbrella.
我会确保今天完成报告。
I will ___make ___sure the report is finished today.
