She had never been greatly concerned about her appearance.

她从来不怎么注重外貌。

《牛津词典》

She is only concerned about her child.

她心里只惦着孩子。

《新英汉大辞典》

I was really concerned about her, but she was determined to push on.

我真的很担心她，但她决心咬牙坚持到底。

youdao

She fought to avoid testifying because she said she was concerned about the safety of her family.

VOA: standard.2010.08.05

You remember they're wandering around the forest without her picking berries. The younger brother, - the second brother, is most concerned about his sister's safety -- so I want you to look at this passage.

你们记得他们在树林中游荡,没有拿他们采摘的果子，小哥哥，也就是二哥哥，是最关心他妹妹安全的-,所以我想让你们看这篇文章。

耶鲁公开课 - 弥尔顿课程节选

When asked whether she was concerned about her reputation over the issue, she said she wasn't worried.

NPR: Myanmar Muslims Jailed For Killing Buddhist Monk

The bodies were found when Planter's co-workers at Huntington Hospital became concerned about her absence from work and called police.

WSJ: NY man admits killing woman and her 2-year-old son

The jurors became so concerned about her health, she seemed about to have an aneurism, that they stopped listening to her.

FORBES: This is Why People Hate Jury Duty