I am sorry that he should be so half-hearted about the important work.

我很遗憾，他对这项重要工作竟这样敷衍塞责。

《新英汉大辞典》

Id rather be on the sidelines cheering those people on, than pursuing a half hearted dream.

我情愿跑一旁给这些人加油，而不愿意用一半的心思去追这个梦。

youdao

When you know the time in their hands always be only so much, does not allow room for any half-hearted, doomed not escape it.

当你知道自己手中的时间永远只有那么多，容不得有任何敷衍的余地，注定无法逃脱。

youdao

Despite Mr Sarkozy's campaign talk of a rupture with the past, on almost every measure, from the reform of universities to pensions to the labour market, his reforms in office have turned out to be half-hearted.

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Some retailers may be giving it a half-hearted effort thanks to the bad timing of where the holiday falls.

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But they also note that the steps taken so far to reactivate the plant have been half-hearted, signaling it may be more of a negotiating ploy.

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