He tried and tried but without success.
他反复尝试，但没有成功。
We have made representations to the prime minister, but without success.
我们同首相进行交涉，但没有效果。
Both plans have been tried, but without success.
两个办法都试了试，但没有成功。
他努力了但没有成功。
I tried other sites, also without success.
我尝试了另一个网站，结果同样一无所获。
He tried for months without success.
他努力了好几个月，却没有成功。
Trying without success is better than not trying.
试验不成功总比不试验好。
He made the attempt again and again without success.
他屡次尝试均未成功。
He attempted to get in touch with them but without success.
他试图和他们联系，但未成功。
Trying without success is better than not trying at all.
试验没有成功也比不试验好。
The brothers continued to pick away, but without success.
兄弟两人继续挖着，但是毫无结果。
He attempted to get in touch with them but without success.
他试图和他们联系，但没有成功。
We've been drilling for water for almost a month without success.
我们钻井取水差不多有一个月了，还是没有成功。
You have been looking for work for three months without success.
三个月来你一直在找工作却没有结果。
Mother has been advertising for a cleaner for weeks without success.
近几周母亲接连登广告想雇一名清洁工，但至今没有找到人。
He tried in various ways to get rid of the baker, but without success.
他用尽各种办法想甩掉面包师，但是都没成功。
The other girls tried to draw Mary out of her shell, but without success.
其他女孩子试图使玛丽加入她们的谈话，但未成功。
He has apparently tried to get in touch with Mr Kibaki, too, but without success.
显然他还试图和齐贝吉先生联系，但是没有成功。
People have tried hundreds of ways to cure the common cold, mostly without success.
人们尝试过几百种治疗普通感冒的方法，但大多不成功。
An effort was made to open a window, but without success-the window was frozen fast.
于是有人就企图去打开窗户，但是没有成功，因为窗户被冻住了。
She has made several attempts to help them find other rental quarters without success.
她已经试了好几次，想帮她们另找出租房，但都没有成功。
Cook made many subsequent attempts to be friendly with the natives, but always without success.
后来库克又做了许多努力，想和土著交朋友，但总是不能成功。
Cook made many subsequent attempts to be friendly with the natives, but always without success.
后来库克又做了许多努力，想和土著交朋友，但总是不能成功。
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