必须

The debt must be paid in full.

债务必须全部付清。

We’ll have to bide our time until the rain stops.

我们必须等到雨停。

It is necessary to decrease the amount of coal used.

必须减缩用煤量。

The two ends must be bent outward.

两端必须向外弯。

New car should be clean, and the old car should be derust before working.

1、所有新车必须底盘及车厢清洗干净，旧车有锈地方必须铲。

A coat must conform to the figure of the wearer.

必须与身材相配。

We must keep back a reserve of food.

我们必须贮存一些食品。

She had to go to the hospital and have her stomach pumped .

她必须去院洗胃。

We must be loyal to our motherland.

我们必须忠于祖国。

We must pay taxes to the State.

我们必须向国家纳税。

The ashes must be scraped out from the stove.

炉必须掏尽。

You must show discretion in choosing your friend.

你择友时必须慎重。

The rough edges of the material must lap under.

料子毛边必须包没。

The stain will have to be sanded out.

这斑点必须用砂纸磨掉。

Books must be kept according to a prescribed form.

必须按照规定形式记账。

The company must keep a tight rein on spending.

公司必须严格控制支出。

We have to fit ourselves to the requirements of our jobs.

我们必须适应工作需要。

It's necessary for us to study hard .

我们必须努力学习。

The harvest must be reaped in good time.

农作物必须及早收割。

We have to discharge ourselves of our duties.

我们必须尽我们职责。