1.他正靠着一堵墙站着.
He is standing against a wall
2.她的话对你不利.
Her words against you.
3.让他呆在这里是违反规定的.
It's against the rules to let him stay here.
4.他给我了一个和他见面的机会.
He gave me __a__ _chance__ ___to___ meet him.
5.两天前他们偶然相遇了.
They met _by__ _chance_ two days ago.
6.下个月我有机会去巴黎游览.
I have __a___ _chance __ _to___ visting Paris next month.