She is a bit careless and lazy about her school work, but a bright little thing and very popular with her age group.

她在学习上有点粗心和懒惰，但她很聪明，在同龄人中很受欢迎。

youdao

Children can be careless about things like that, and he won't make a big fuss about it unless it becomes a regular thing.

孩子们在这种事情上可能会粗心大意，但除非这成为常态，否则他不会大惊小怪。

youdao

He's a very careless driver: he never thinks about what he's doing.

他是一个粗心大意的驾驶员，从来也不考虑自己在做什么。

youdao

We're meant to sympathize with the embittered central character, a cynic from the start whose careless comments about the regime cost him dearly during his university days and beyond.

WSJ: Pearls of the Czech New Wave | Before the Spring Was Gone | By David Mermelstein

The real villains, according to Antonia Fraser in this well-researched and emotively narrated life, were the journalists and cartoonists who pilloried the queen, creating a monster from one whose chief crime was to be careless about her public image.

ECONOMIST: 18th-century French history

Several lawyers have signed a stern letter to Steven Miller, Acting IRS Commissioner, to scold him about careless handling of confidential information.

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