务必

Make sure your luggage is properly labelled.

请你行李的标签贴好。

I would counsel caution in such a case.

我奉劝在此情况下小心。

Make sure the stamp is properly glued to the envelope.

邮票在信封贴好。

Make sure that all the nails are punched in so that the floor is smooth.

所有的钉子都钉进去, 这样地板才光滑。

I insist that you (should) be present.

请您到场。

Everybody must be made to understand that.

让每个人都得这一点。

See to it that you are here punctually tomorrow.

明天你要准时到这里。

In severe cold, your fingers can freeze onto metal handles, so be sure to cover your hands.

在严寒里你的手指会冻在金属握, 所以戴手套。

We really need to make sure we are all singing from the same hymn sheet before the press conference.

我们要做到在记者招待会口径统一。

Do wait for me.

请等我。

This requires we must constantly test and adjust your printer's exposure to the mesh point of transfer in the amenably range.

这不离给求我们然检测并调动晒版机的曝平度，才能使网不面迁徙在可控边界边。