gaolbird

['dʒeilbə:d]

n. 囚犯, 流氓, 惯犯
=jailbird（美）

例句与用法：

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

汤姆越狱后,时时如惊弓之鸟,生怕再次被捕。

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。