プログレッシブ和英中辞典(第4版)の解説
そざつ【粗雑】
粗雑な 〔あらっぽくて大ざっぱな〕crude, rough；〔不注意な〕careless
粗雑な絵だ
It's a crude [roughly-executed] painting.
粗雑な仕事
a sloppy job
こんな粗雑な計画では成功しないよ
You won't succeed with 「such a crude plan [a plan like that] ― it's full of holes.
ボタンのつけ方が粗雑だ
The buttons are sewn on carelessly.
頭の粗雑な男ではこの仕事には役に立たない
「A loose thinker [A man incapable of careful reasoning] is of no use on this job.