n.不幸；災(zāi)難
A series of mischance happened. 一連串不幸的事發(fā)生了。
I lost your file by pure mischance. 我把你的文件丟了，純粹是碰上倒霉事了。
Only a serious mischance will prevent him from arriving tomorrow. 只有碰上極倒霉的意外變故,他明天才會(huì)來不了。
