sloppiness造句

1、A more serious charge against van loon was the sloppiness of his scholarship.
对房龙的一项更严肃的指控是他在学问上的马虎。

2、Failures caused by sloppiness or laziness are bad.
因马虎或懒惰导致的失败是坏事。

3、I read the paper and call it crap by virtue of the sloppiness of the work.
我读完认为这篇论文是垃圾的原因 是因为这根本就是一项马虎的研究.