面面相覩

Explanation: 同“ 面面相覷 ”。 《清平山堂话本·快嘴李翠莲记》：“諸親九眷面面相覩，無不失驚。” Thesaurus:  have nothing to say in reply, look at each other in blank dismay, All things stare at each other, Mianmianxiangdan