那个小偷一看到警察就立刻逃跑了。

The thief ran away as soon as he saw the ___cop.

他在最后一回合中使出了致命一击，赢得了比赛。

He landed the final ___blow in the last round to win the game.

他狠狠地给了沙袋一记重击。

He delivered a powerful ___kick to the punching bag.