Definition: to not tell everything you know about something Level: C1
我想她怀疑我有所隐瞒。
I think she suspected I was ___holding something ___back.
说实话，关于这个情况，我还隐瞒了很多细节。
To be honest, I am ___holding ___back a lot more details about the situation.
他选择隐瞒关键信息以避免引起恐慌。
He chose to ___hold crucial information ___back to avoid causing panic.
