面面相觑

miànmiànxiāngqù

面面相觑 — miànmiànxiāngqù

to look at each other in dismay; to exchange helpless/aghast looks
听到这个消息，大家都面面相觑。 tīngdào zhège xiāoxī dàjiā dōu miànmiànxiāngqù — On hearing the news, everyone looked at one another in dismay.