adj.心照不宣的；缄默的；默示的
They have a tacit understanding. 他俩心照不宣。
Our tacit treaty with her was that we could play on her lawn. 我们和她心照不宣的协定是，我们可以在她的草坪上玩。
The deal had the tacit approval of the President. 这笔交易得到总统的默许。
They were leagued together by a tacit treaty. 他们根据默契关系联合起来了。
