One can grasp a foreign language only if he studies hard.

You must study hard.

你非努力学习不可。

He was studying in the hope of being admitted to an engineering college

他努力学习，希望能被一所工程学院录取。

With some pupils, praise is not an incentive to study hard.

对于一些小学生来说，受表扬不是努力学习的动机。

They understood that even geniuses have to work hard.

此外，他们非常重视努力学习。

We should try to learn economic theory and apply it.

我们应努力学习经济理论并能应用。

I was impressed with his deep sincerity.

他的无比真诚让我印象深刻。

We often do not eat the pineapple.

我们不经常吃菠萝.

She drank a cup of pineapple juice.

她喝了一杯菠萝汁.

She saw a hideous face at the window and screamed.

她在窗口看到了一张极丑陋的脸，吓得尖叫了起来。

He received part of his education in England.

他有一部分教育是在英国接受的.

He had a normal middle-class upbringing.

他接受的是正规的 中产阶级 教育.

She has received his present, but she will not accept it.

她收到了他的礼物, 但她是不会接受的.

230cm divided by 22cm is 10.45cm.

230厘米除以22厘米等于10.45厘米。

This pair of trousers is Lucy's. Your trousers are on your bed.

这条长裤是露西的. 你的长裤在你的床上.

Give your trousers a hitch.

把你的长裤往上拉一下.

The hot iron seared the trousers.

热熨斗烫焦了长裤.

All the other men were wearing long pants and nice shirts.

其他所有男人都穿长裤和很好的衬衫.

Days without love are dull ones in bad weather.

失去爱情的日子,犹如阴天般沉闷.

The weather is warm ( cold ) and sunny ( cloudy ) here.

这里气候温和 ( 寒冷 ),阳光充沛 ( 阴天多云 ).

All day today there was a heavy overcast.

今天一整天都是阴天.