careless /ˈkeɚləs/ adjective Learner's definition of CARELESS
[more careless; most careless]
1
: not using care : not careful粗心的;不认真的;不仔细的 2
: done, made, or said without enough thought or attention粗心大意的;疏忽的;草率的 -
It was a careless mistake.这是一个疏忽造成的错误。
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I made a careless [=rude, thoughtless] remark.我说了一句欠考虑的话。
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a newspaper known for careless reporting因不负责任的报道而出名的报纸
— carelessness
noun [noncount]