gaol

n. 监狱
v. 监禁 [=jail]
vt. 使...坐牢

Strikes by prison officers underline the need for reform in our gaols.

监狱工作人员罢工一事，突出地表明我们的监狱制度需要改革。

Since he escaped from gaol, Tom has been living on a razor's edge, terrified of recapture.

汤姆越狱後, 时时如惊弓之鸟, 生怕再次被捕.