prove futile;beat the air;be a wasted effort;burn daylight;be a fool for one's pains ;
I wanted to sort out this problem with him, but it was like banging my head against a brick wall.
我曾想跟他把这个问题给解决了,但结果徒劳无功。
来源:《柯林斯高阶英汉双解学习词典》Efforts to reach the people named in the report proved unavailing...
联系过报告中所提到的那些人,但都徒劳无功。
来源:《柯林斯高阶英汉双解学习词典》But the two-toed tree toad tried in vain . He couldn't please her whim.
可是,二趾蟾蜍徒劳无功不能满足三趾蟾蜍女郎的心意.
来源:互联网摘选SOD . Without clear objectives, chances are that a meeting will be unproductive.
没有明确目标的会议多半是徒劳无功.
来源:网络文摘精选The crew fought a losing battle to try to restart the engines.
全体船员努力尝试重新启动发动机,但结果徒劳无功。
来源:《柯林斯高阶英汉双解学习词典》Efforts to reach the people named in the report proved unavailing.
联系过报告中所提到的那些人,但都徒劳无功。
来源:《柯林斯高阶英汉双解学习词典》After months of futile labor , the scientist suddenly had a brainstorm and solved the problem.
数月努力,徒劳无功, 科学家突发奇想,问题迎刃而解.
来源:词典精选例句The British establishment seems to be off on another quest for fool's gold.
这家英国机构似乎开始了又一次徒劳无功的探索。
来源:《柯林斯高阶英汉双解学习词典》Saw time running out, also to avail and around, I can not help burning.
眼见时间一分一秒地流逝, 还在徒劳无功地转悠, 我不禁心急如焚.
来源:网络文摘精选
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