1.set fire 纵火

例句：They set fire to vehicles outside that building.

他们纵火焚烧了停在那幢大楼外的车辆。

2.subject to 受制于

例句：It was announced that the times were provisional and subject to confirmation.

已宣布说这些时间是暂定的，还有待确定。

3.flea market 跳骚市场

例句：He headed back towards the flea market and was quickly swallowed up in the crowd.

他转身朝跳蚤市场走去，很快淹没在人群中。

4.look for 寻找

例句：Why are the police looking for you?

为什么警察在四处找你?