1、We went to the cinema on the chance of seeing Paul there.
我們到電影院去，希望萬(wàn)一能在那兒碰見(jiàn)保爾。

2、I came out here on the chance of finding you at home after all.
我到這兒來(lái)心想也許會(huì)在家找到你，沒(méi)想到竟然還真是。

3、I'll return to the station on the chance of meeting his brother.
我將回到車(chē)站期望遇到他的兄弟。

on the chance of翻譯