imprisonment

n. 监禁,下狱,坐牢

The criminal was sentenced to one year's imprisonment.

这名罪犯被判处一年监禁。

He was in the unenviable position of having to choose between imprisonment or exile.

他已陷於进退维谷的地步, 不是坐牢就是流放, 必须在两者间做出抉择.