Definition of in someone's confidence in English:
in someone's confidence
phrase
In a position of trust with someone.
‘she was never fully in his confidence’- ‘‘It's a delicate position to be so much in their confidence,’ she angrily retorted.’
- ‘Though you were formerly deep in his confidence, just as you are in mine, still she is of higher standing than anyone here present, including myself.’
- ‘Like a flash it came over me that the maid was in her confidence.’
- ‘Nevertheless some thoughtless and imprudent actions of hers made me from time to time regret that I was in her confidence.’
- ‘I never was in your confidence before my Father died and I certainly am not in it now’
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