物心が付く

Meaning

1. expv5k
   to become old enough to understand what's going on around oneself (of a child, etc.)

Example sentences

• 僕は母のことを知らない。物心がつく前に、母が家を出て行ったからだ。

  I don't know anything about my mother. Before I was old enough to remember, she left our home.