unluckier , unluckiest
If someone is unlucky, they have bad luck.
You certainly were unlucky to get that horrible illness.
你得了那种可怕的病当然是很不幸。
You can use unlucky to describe unpleasant things which happen to someone, especially when you feel that the person does not deserve them.
Argentina's unlucky defeat by Ireland.
阿根廷惜败于爱尔兰。
Unlucky is used to describe something that is thought to cause bad luck.
Some people think it is unlucky to walk under a ladder.
有人认为路过梯子底下会倒霉。