了解情况
be in the know
take in a situation
inquire of
向（某人）了解情况
详细了解情况 acquire detailed knowledge of the situation
全然不了解情况 be completely ignorant of the situation
我们必须设法了解全部情况.
We must try to find out about the whole situation
我们要从侧面了解一下情况.
We should find out about the situation from indirect sources