half-hearted
[ˈhæfˈhɑrtɪd, ˈhɑf-]
adj.
粗心的;
没精打采的，缺乏热情的;
并非真心的;
半心半意的;
例句:
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So they have a reputation as very cold-hearted mothers.
来自BBC
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The second half was all about composure and patience.
来自BBC
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Government action has been half-hearted and uncoordinated.
政府行动半心半意，组织不力。
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In truth, her application was a bit half-hearted.
事实上，她并没有尽力申请。
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He made a half-hearted attempt to justify himself.
他没有尽力证明自己有理。
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What if we only give him our half-hearted consent?
来自THETIMES