A man of few promises
As a Chinese idiom, Pinyin is Gu ǎ x ì NQ ī ngnu ò, which means to easily agree to others' requirements, and must rarely keep promise. From Laozi.
Idiom usage
A beautiful woman should blame me for not keeping her promise. I remember when Jian Xiangyun made an appointment.
Analysis of Idioms
Near synonym: light hearted and little trustworthy
The origin of Idioms
Chapter 63 of Laozi: "if a man is light on promise, he will have little faith, and if he is easy, he will be difficult."
Idiom explanation
He who readily agrees to others' demands must seldom keep his word.
A man of few promises
become wiser after being duped - shàng dāng xué guāi
discard the old ways of life in favour of the new - gé jiù dǐng xīn