孩子的事成了他的心病。
His child's matter has become a sore point in his heart.
anxiety; sore point; secret worry
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Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
孩子的事成了他的心病。
His child's matter has become a sore point in his heart.
这件事是他多年的心病。
This matter has weighed on his mind for years.