我儿子的老师说他作业经常粗心马虎。

我儿子的老师说他作业经常粗心马虎。

My son's teacher says that his work is often careless and sloppy.

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My son's teacher says that his work is often careless and sloppy.

careless 是由 care(小心、注意)加上否定后缀 -less(表示"没有")构成的形容词,字面意思是"不小心的",即"粗心的、马虎的"。

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