搞通to begin to understand

• 他始终不开窍。

  He just doesn't understand.

• 这人真不开窍！

  This person just doesn't get it!

• 你可算开窍了。

  You've pretty much got it.

开始懂事to become more sensible

• 孩子三岁了，慢慢地开窍了。

  The child is three now, and is slowly starting to grow up.

开眼<方>to broaden one's horizons