There was a tap on the van window, which I initially ignored as you get conditioned to do by all the touts and beggars on the streets.

由于身处街上满是小贩和乞丐这种环境，我一开始没能发现在货车窗户上还安了个水龙头。

youdao

There was a tap on the window.

有人在轻叩窗户。

youdao

There was a tap on the window.

有人在轻叩窗户。

youdao