Education is compulsory in China.
I compute my losses at 500 yuan.
It is a concave mirror.
I conceal nothing from you.
The captives finally conceded defeat.
People used to conceive of disease as a punishment for sin.
You should concentrate on your study.
They should have a clear conception of their duties.
She has deep concern for her son's.
The boss made a concession.
The evidence is not conclusive.
Beauty is not concrete, but a window is.
We condemned his foolishness.
The steam has been condensed into drops of water.
The house is in a good condition.
You can do anything on condition that you can finish the homework.
Please accept my condolence on your mother's death.
One of the students conducted her in.
Your conduct is not consistent with what you say.
Such conduct is unworthy of praise.