ReadWriteQuiz
Chinese dictionary
slboth understand from their hearts what the matter is but don’t choose to say so in public; have a tacit (mutual) understanding
心照不宣的笑
knowing smile
我们彼此心照不宣。
We have a tacit understanding with each other.
有几个人心照不宣地彼此对望了一眼。
Some of the others furtively exchanged significant glances.
丹和她心照不宣地交换了一下眼神。
Dan exchanged a knowing look with her.