The policeman grappled the thief.

警察抓住了小偷。

To struggle or contend in a close fight.

扭打；搏斗。

A close fight; a close hold, as in wrestling.

扭打；肉搏；(摔角时之)紧握。

A mechanical device for taking hold of anything.

抓机(用以抓住物件者)。