be sure

He might get here in time, but I can't be sure.

他可能及时来到这里, 不过我不能确定.

Be sure to wear the correct footwear to prevent injuries to your feet.

一定要穿合适的鞋，以免脚受伤。

Be sure to bar all the doors before you leave.

在离开前,务必把所有的门都闩上.

Be sure to store them carefully as they bruise easily.

小心存放，因为它们很容易被碰伤。

Be sure to read about how mozzarella is made, on page 65.

务必看看莫泽雷勒干酪是怎么制成的，在第65页。

Be sure to select firm, unblemished fruit.

一定要选坚实、无疤痕的果子。

Get up steam, and you will be sure to succeed.

加把劲, 你一定会成功的.

Be sure to dig the whole garden over before winter.

在冬季来临前要把园子好好地翻一下.

Be sure to remind her to come back early.

一定要提醒她早点回来.

She looked over her shoulder to be sure of her footing.

她扭头看了看后面以确认自已是否站稳了.

It is impossible to be sure about the value of land.

土地的价值是无法确定的。

Be sure you get your daily quota of calcium.

要确保每天的钙摄入量。

Employers want to be sure recruits understand business Europe-wide.

雇主们想确定这些新员工了解整个欧洲的业务。

I marked the ground and then paced it out to be sure.

我在地面上作了标记，然后为了确保起见步测了一下。

He is young, to be sure, but very experienced.

他虽年轻, 但很有经验.