someone's heart is in their mouth

US /ˈsʌm.wʌnz hɑːrt ɪz ɪn ðer maʊθ/
UK /ˈsʌm.wʌnz hɑːrt ɪz ɪn ðer maʊθ/
"someone's heart is in their mouth" picture
1.

心都提到嗓子眼了, 非常緊張

to feel very nervous or frightened

:
When the roller coaster started, my heart was in my mouth.
當過山車啟動時,我的心都提到嗓子眼了
Her heart was in her mouth as she waited for the exam results.
她等待考試結果時,心都提到嗓子眼了