This is the 6270th most frequent Chinese word.
心事
A personal concern or troubling thought kept in one's heart.
In this sentence, '心事重重' means being weighed down by worries, showcasing the word '心事' as worries or concerns carried internally.
她最近心事重重，看起来很忧虑。
She has been troubled by worries recently and looks very anxious.
Here, '有心事' conveys having worries or concerns, emphasizing the word '心事' as personal troubles that one might want to share.
你有心事的话，可以跟我说，我愿意倾听。
If you have worries, you can tell me; I am willing to listen.
In this sentence, '心事' refers to a specific concern or aspiration, representing '心事' as a focal internal issue or aim.