1.
He always does his homework so carelessly.
他总是很粗心地做作业。
2.
handle or move sth carelessly or absent-mindedly
粗心地或心不在焉地摆弄或移动某物
3.
To act carelessly, foolishly, or incorrectly.
干蠢事粗心地、愚蠢地、错误地行动
4.
used incorrectly or carelessly or for an improper purpose.
为一个不正当的目标而不正确或粗心地使用的。
5.
put or fix(sth)in a position or place,esp quickly or carelessly
把（某物）放置在某处或固定在某位置上[尤指匆促地或粗心地）
6.
To behave hysterically or very recklessly.
十分粗心或忽视地行动
7.
Although he has a gruff manner, he is really very kind.
虽然他态度粗鲁，其实他心地很好。
8.
He could trample on them with ease.
他便能随心所欲地粗暴对待他们的。
9.
His manners are rough, but he is a kind man at heart.
他虽然举止粗鲁, 但心地善良。
10.
Beneath his gruff exterior he's really very kind-hearted.
他外表粗鲁, 心地却十分善良.
11.
He has a bluff way of speaking, but a kind heart.
他说话的方式粗率爽直，但心地善良。
12.
He is simewhat rough in his manners but at heart he is a very kind man.
他的言谈举止有些粗鲁，但心地很好。
13.
Blunders are generally due to carelessness.
粗差一般由粗心引起。
14.
To handle clumsily, rudely, or with too much familiarity.
粗鲁地摸弄用手粗笨地，粗暴地触摸
15.
That young man operated the machine carelessly, and as a result he gummed up the work
那年轻人粗心大意地操作机器，结果把活弄糟了。
16.
blunder:a usually serious mistake typically caused by ignorance or confusion.
大错:典型地由于无知和粗心造成的大错。
17.
A usually serious mistake typically caused by ignorance or confusion.
大错典型地由于无知和粗心造成的大错
18.
I worked very hard but I was too careless. I made some stupid mistakes.
我很用功啊，就是太粗心了，不该错的地方倒错了。