缄口不语

tā gāng shuō qǐ fáng zi tā jiù yì wèi shēn cháng de piē le tā yī yǎn yú shì tā biàn jiān kǒu bù yǔ le

他刚说起房子，她就意味深长地瞥了他一眼，于是他便缄口不语了。

When he started to talk about the house, she gave him a meaningful look and he went quiet.