Education is compulsory in China.

中国实行义务教育。

I compute my losses at 500 yuan.

我估计我的损失有五百元。

It is a concave mirror.

这是一面凹面镜。

I conceal nothing from you.

我对你什么也不隐瞒。

The captives finally conceded defeat.

俘虏们最终承认了失败。

People used to conceive of disease as a punishment for sin.

以前人们认为疾病是对罪恶的一种惩罚。

You should concentrate on your study.

你应该专心于你的学习。

They should have a clear conception of their duties.

他们必须明确知道自己的义务。

She has deep concern for her son's.

她非常担心她儿子。

The boss made a concession.

老板作出了让步。

The evidence is not conclusive.

这个证据不足为信。

Beauty is not concrete, but a window is.

美丽不是具体的，但窗户是。

We condemned his foolishness.

我们谴责他的愚蠢。

The steam has been condensed into drops of water.

蒸气已凝结成水滴。

The house is in a good condition.

房子条件良好。

You can do anything on condition that you can finish the homework.

只要完成作业，你干什么都可以。

Please accept my condolence on your mother's death.

请接受我对令堂故去的吊慰。

One of the students conducted her in.

其中有一个学生带领她进入。

Your conduct is not consistent with what you say.

你的行为和你所说的不一致。

Such conduct is unworthy of praise.

这样的行为不值得称赞。