He is usually careless in the exam.
他考试中通常很粗心。
Legibility is usually measured through speed of reading, with comprehension scores used to check for effectiveness (ie, not a rushed or careless read).
易读性一般通过阅读速度来衡量，用阅读理解的得分来检验阅读效率。
They are usually too lazy or too careless to plant and look after new trees.
他们通常是懒惰的植物，或是太不小心照顾新树。
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