shackle

n. 桎梏,束缚物
v. 加桎梏,加枷锁,束缚

The prisoner was fastened by a shackle.

那个犯人被手铐铐着。

Nowadays, people have shaken off the shackles of some conventions.

今天，人们已经摆脱了一些习俗的束缚。