向…透露自己的心事，将秘密告诉…
to share your secrets with someone, trusting them not to tell other people
I should never have taken him into my confidence. 我真不该把他当作知心朋友。
The man befriended Mr Collins and took him into his confidence.
She was obviously offended that I hadn't taken her into my confidence.
Had he taken you into his confidence earlier, you might have known he was struggling financially.
She was so charming, I couldn't help but take her into my confidence immediately.
See also: confidence (SECRET)