Vitamin C is supposed to prevent colds.

维生素C可以预防感冒。

They suppose the box to contain books.

他猜这箱子里装的是书。

Foxes are supposed to be wily creatures.

据说狐狸是狡猾的动物。

Eating spinach is supposed to make you strong.

据说吃菠菜能使人强壮。

I should suppose him to be about twenty.

猜他是二十岁左右。

Let's suppose (that) the news is true.

假定这消息是真的。

I suppose it could all be a cod.

猜这可能完全是个恶作剧。

I suppose I shouldn't be so sensitive.

不该这么恼怒。

Supposing he is not at home, what then?

假如他不在家,那么办?

Supposing it rains what shall you do?

假使下雨，么办呢？

Supposing we're right, what should we do?

假设是正确的，应么办?

I'm quite a good actress, I suppose.

可能是个相当不错的女演员。

The silencer is supposed to silence the engine noise.

据说消音器是用来消除引擎的噪声的。

The supposed prince was really a beggar in disguise.

那个被信以为真的王子, 原来是个乔装的乞丐。

You’re not supposed to walk on the grass.

不准践踏草坪。

I suppose that you suspect me of pseudo-intellectual flimflam.

怀疑是在冒充有知识胡说瞎扯。

Supposing that she changes her condition in life, what then?

假设她结了婚, 以后样?

She’s supposed to do an hour’s homework every evening.

她应当每晚做一个小时的家庭作业。

You are only supposing this on hearsay, you have no proof.

只是根据传闻像而已, 并没有证据。

The LCD will be much cheaper in the short run, I suppose.

, 要不了多久液晶荧幕就更加便宜了。