" You do them a disservice by not confiding something this important to them."
“你向他们隐瞒这么重要的事情，这是在害他们。”
科普小杂文
Saying this will make the person feel bad for confiding in you in the first place.
说这句话会让对方觉得不该信任你。
一双蓝蓝的眼睛（下）
But moved by attendant circumstances Knight was impelled to be confiding.
但被随之而来的情况所感动， 奈特不得不吐露心声。
艰难时世（下）
'Will you oblige me by confiding it'?
“你愿意向我倾诉吗”？
夏日走过山间
Daisies, too, and ivesias, confiding wild children of light, too small to fear.
雏菊，还有艾维西亚斯， 倾诉着光之野性之子， 小到无所畏惧。
《小妇人》原版
They are not so wild and handsome, but they seem happy, confiding little things.
他们不是那么狂野和帅气，但他们看起来很开心，吐露小事。
依然是我 | Still Me (Me Before You #3)
Her face softened briefly and she tilted her head, casting me a confiding look.
她的脸色短暂地柔和下来， 偏过头，向我投来一个信任的眼神。
海蒂
She loved to sit there on the mountain-side with the confiding little goat by her.
她喜欢坐在山边， 身边有那只倾诉心事的小山羊。
英语百科
Confidant
（重定向自Confiding）
The confidant (/ˈkɒnfɪdænt/ or /ˌkɒnfɪˈdɑːnt/; feminine: confidante, same pronunciation) is a character in a story that a protagonist confides in and trusts. Confidants may be other principal characters, characters who command trust by virtue of their position such as doctors or other authority figures, or anonymous confidants with no separate role in the narrative.