必须

The debt must be paid in full.

债务必全部付清。

It is necessary to decrease the amount of coal used.

必减缩用煤量。

The two ends must be bent outward.

两端必向外弯。

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

我们必等到雨停。

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

1、所有新车必底盘及车厢清洗干净，旧车有锈的地方必铲除。

The stew must be boiled up before serving.

炖肉必煮熟才能上桌。

The ashes must be scraped out from the stove.

炉里的灰必掏尽。

We must mix work with adequate rest.

我们必劳逸结合。

You must show discretion in choosing your friend.

你择友时必慎重。

A coat must conform to the figure of the wearer.

衣服必与身材相配。

The rough edges of the material must lap under.

料子的毛边必包没。

We must be loyal to our motherland.

我们必忠于祖国。

We must pay taxes to the State.

我们必向国家纳税。

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

她必去医院洗胃。

We must keep back a reserve of food.

我们必贮存一些食品。

The certificate will have to be lodged at the registry.

证书必存放在登记处。

Warm clothes are a must in the mountains.

住山里必有厚衣服。

An examiner must frame his question clearly.

考官必把考题表达清楚。

Protective helmets must be worn on site.

在工地必戴防护帽。

The doctor's instructions must be fulfilled exactly.

医生的指示必严格遵行。