[xīn shì]
sth. weighing on one's mind; a load on one's mind; worry
seem to have sth. on one's mind
好像有什么心事似的
take a load off one's mind
了结一桩心事
disclose [say; speak; tell] one's mind
说明心事
I told him what was on my heart.
我把我的心事告诉了他。
There are two matters of great concern to our people.
我国人民有两件心事。