“碰到”造句
巧得很，我曾经
碰到过类似的情况。
Coincidentally, I had once found myself in a similar situation.
几分钟之后他在走廊里意外
碰到了克雷特纳。
He ran into Krettner in the corridor a few minutes later.
我小心翼翼地后退，直到感觉后背
碰到了墙壁。
I backed up carefully until I felt the wall against my back.