verb, literary
to not have credit; to be untrustworthy
noun
unbelief or non-faith; inability of a person to generate tacit belief or confidence in a teacher and the doctrines that is necessary to undertake practice in earnest
Examples (Tatoeba—Mandarin-English)
Mandarin
她有三个孩子,信不信由你。
她有三個孩子,信不信由你。
tā yǒu sān gè hái zi , xìn bù xìn yóu nǐ 。