他因为玩手机时的鲁莽行为撞上了路标。

He hit the road sign due to his mindlessness while playing with his phone.

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He hit the road sign due to his mindlessness while playing with his phone.

mindlessness 是由形容词 mindful(留心的、注意的)加上否定前缀 -less(表示"没有")构成的名词形式,字面意思是"不留心、不注意"。mindfulness 指"专注、留心",而 mindlessness 则表示相反的意思,即"心不在焉、鲁莽"。

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