hear about 得悉，听说
You have done a brave act and you will hear about it.
你干了一件勇敢的事,你将会受到奖赏的.
We shall be interested to hear about it.
我们都想听到这个消息.

be phased out 被淘汰
The initial discount would have to be phased out over the ten - year period.
初期的折扣将不得不在十年中逐步取消.
The old machinery in this factory will be phased out sooner or later.
这家工厂的旧机器迟早将被淘汰.