Definition
To be involved in or worried about something.
關心；擔忧
You don't need to concern yourself with what might have happened.
你不需要擔心可能會發生什麼事。
Please don't concern yourself; she will be back shortly.
請不要擔心，她很快就會回來。
I concern myself with broader policy matters rather than operational specifics.
我關注的是更廣泛的政策問題，而不是操作細節。