一无是处的英文：
[Literal Meaning]
none/right/place
to get nothing right

[解释]
是：正确。没有一点儿对的或好的地方。

[Explanation]
without a single virtue

[例子]
你的丈夫也不是一无是处，看在孩子的份上不要轻率离婚吧。

[Example]
Your husband is not useless. Don't divorce him for the sake of your child.

[英文等价词]
neither rhyme nor reason

You're just a good for nothing Bum!
你真是一个废物!(你一无是处!)

At least this was more interesting than "da, da, da" - which has nothing to recommend it at all.
至少这比"嗒嗒嗒"有趣一些——"嗒嗒嗒"真是一无是处。

Her singing is totally without merit.
她的演唱一无是处。

Your work is hopeless
你的工作一无是处。

Her boyfriend is a good-for-nothing layabout.
她的男友是一个一无是处的懒汉。

She is an interesting person but her husband is a real nothing.
她是个很有趣的人，但是她的先生却一无是处。

Her new novel was taken apart by reviewers.
她新出的小说被评论家们评得一无是处。

Though he made some mistakes, he is not devoid of any merit.
他虽然犯了错误,但并非一无是处。

The play was damned by the reviewers.
这出戏被评论家批评得一无是处.

His latest theories have been shot down in flames by the experts.
他的最新理论遭专家们批驳得一无是处.