c) She is very worried.
Well done ! That’s the right answer.
If someones has their heart in their mouth, they feel very nervous, worried or frightened.
French translation
avoir le cœur qui bat, avoir les jetons, redouter, appréhender
How NOT to translate : *avoir le cœur dans la bouche
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Examples in context
‘I defied death threats to flee Saudi ‘prison’ for Britain
A woman has told of her escape from her family after a teenager who feared being killed was taken in by Canada.
Her heart in her mouth, Sarah waited at border control as officials leafed through her passport, deciding whether to let her onto her flight to the UK. As they questioned her, she knew that her life would depend on the answers she gave.
Sarah feared she would be killed by her family if she was turned back. That morning she had escaped house arrest in Saudi Arabia and flown to a transit country on her way to the UK. Her crime, according to her family, was to have wanted freedom.’
The Guardian, 13 Jan. 2019
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Everyday usage
My heart was in my mouth when I walked into her office.
`Wait !’ a rough voice commanded. Nancy stopped, then turned, her heart in her mouth.
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