someone's jaw drops (open)
US /ˈsʌm.wʌnz dʒɔː drɑps (ˈoʊ.pən)/
UK /ˈsʌm.wʌnz dʒɔː drɑps (ˈoʊ.pən)/
1.
目瞪口呆, 下巴掉下来
used to say that someone looks very surprised or shocked
:
•
When she announced her engagement, everyone's jaw dropped.
当她宣布订婚时，所有人都目瞪口呆。
•
My jaw dropped open when I saw the price of the new car.
当我看到新车的价格时，我的下巴都掉了。