And finally, if something is a flop, it's completely unsuccessful – a failure.

最后，如果某件事是flop，那就意味着它完全没有成功——失败了。

To their fury, they had been unsuccessful.

令他们极其愤怒的是，他们一直没有成功。

So overall, was the journey unsuccessful?

那么总的来说，这次旅行是不成功的吗？

And so far, people have been unsuccessful in exterminating them long term.

但截至目前，人类尚不能长期消灭蚊子。

This was all unsuccessful, so he tried personal insults.

但这都无济于事。他便对他进行人格侮辱。

There were three unsuccessful votes to find a replacement.

进行了三次失败的投票，就是为了寻找替代者。

Workers say negotiations have been unsuccessful as unions claim.

据工会表示称，双方未能达成一致协议。

I think he would have seen himself as unsuccessful.

我想他会认为自己是不成功的。

The book looked like a list of unsuccessful experiments.

本子上列的单子像一连串失败的实验记录。

Sun immediately appealed the ruling to the Swiss Federal Supreme Court, but his efforts proved unsuccessful.

孙杨表示会向瑞士联邦最高法院提起上诉，但未获成功。