作为及物动词时 realize (that)
to know and understand something, or suddenly begin to understand it
I suddenly realized that the boy was crying.
It was only later that I realized my mistake.
to achieve something that you were hoping to achieve
She never realized her ambition of winning an Olympic gold medal.
3、sb's worst fears were realized
used to say that the thing that you were most afraid of has actually happened
His worst fears were realized when he heard that Chris had been arrested.
to obtain or earn an amount of money
We realized a small profit on the sale of the house.
realize an asset 变卖资产
To change something that you own into money by selling it or to exchange holdings or goods for money. 变卖：将物产或货物换成现金
She's broke and nobody was willing to help her. So she had to realize her only house for living.