释义
with little (or no) success or benefit
几乎（或根本）毫无作用；无助
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he tried to get his work recognized, but to little avail .他试图使自己的工作得到认可，但却几乎毫无作用。
双语例句
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His efforts were to no avail.
他的努力是徒劳的。
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The doctors tried everything to keep him alive but to no avail.
医生千方百计想使他活下来，但无济于事。
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He had the receptionist almost jumping through hoops for him. But to no avail.
他让接待员为他几乎饱经折磨，但根本没有用。
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I pleaded, but to no avail.
我苦苦哀求，但无济于事。
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Her powers of persuasion were to no avail.
她的说服力没有起到作用。
近义词
be of no effectbe null and void
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No, I sat and I sat, but to no avail. Oh, the more details, the more sorry.
我坐在马桶上等了又等，但徒劳无功。细节越多，我越难过。
《The Big Bang Theory Season 10》《生活大爆炸 第十季》