近义词有careless:Lucy wishes she could be as careless as he is.
露西希望自己能像他一样无忧无虑。
I gave him a careless greeting.
我漫不经心地给他打了个招呼。
A careless mistake results from a lack of attention.
一个粗心的错误是由于缺乏注意力造成的。
She had been inexcusably careless.
她曾粗心大意得不可原谅。
It's your own fault for being careless.
你粗心大意是你自己的过失。
