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

但截至目前，类尚不能长期消灭蚊子。

To their fury, they had been unsuccessful.

令他们极其愤怒是，他们一直没有成功。

After an unsuccessful search, the restaurant's owner called the Daily News for help.

在找寻未果后，餐厅老板打电话给《每日新闻》寻求帮助。

They'd done this test before, but the tests had been unsuccessful.

他们曾做过这个测试，但测试并没有成功。

However, all my searches for information regarding this strange substance were unsuccessful.

然而，我所有关于这种奇怪物质搜索都没有成功。

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

最后，如果某件事是flop，那就意味它完全没有成功——失败了。

This was all unsuccessful, so he tried personal insults.

但这都无济于事。他便对他进行格侮辱。

There have been many unsuccessful attempts to find the Loch Ness monster.

们曾多次试图寻找尼斯湖水怪，但都不了了之。

His lawyers tried to get this decision revoked but they were unsuccessful.

他律师试图撤销这一裁定，但没有成功。

Edmond Mulet, an unsuccessful presidential candidate this year, says the Guatemalan state is failing.

埃德蒙德·穆雷特是今年总统大选一败选候选，他说危地马拉正在走向失败。

And he ran three unsuccessful bids for the presidency before winning this time around.

在这次赢得总统大选之前，他曾三次败选。

Do you have expressions that describe unsuccessful relationships in your language?

你语言里有形容失败恋情表达吗？

There were three unsuccessful votes to find a replacement.

进行了三次失败投票，就是为了寻找替代者。

Israel made an unsuccessful attempt to land a spacecraft on the moon last April.

去年4月，以色列曾试图让一艘宇宙飞船在月球陆，但没有成功。

He had discussed it with his father one day after making several unsuccessful attempts.

一天，他在几次不成功尝试后，和他父亲商讨起这件事来。

The first few attempts to locate the ancient baths, however, were unsuccessful.

然而，最初几次探明古代浴池位置尝试都没有成功。

Former President Donald Trump proposed to reduce PEPFAR's funds during his term but was unsuccessful.

前总统唐纳德·特朗在其任期内提议削减PEPFAR资金，但未获成功。

Needless to say, the doctors were unsuccessful in helping him.

不用说，这些医生都没能成功帮助到他。

Given the cost and scarcity of manpower and resources, however, raiding parties were often unsuccessful.

然而，考虑到成本和力资源缺乏，突袭部队往往难以取得成功。

At one point Jobs attacked the Lisa team for producing an unsuccessful product.

乔布斯一度攻击丽萨项目组，说他们制造了一个失败产品。