Tā de tàidù yīzhí hěn àimèi, ràng rén mōbuzháo tóunǎo.
His attitude has always been vague, leaving people confused.
Tips
usage
Most commonly used for romantic situations where two people are more than friends but not officially dating. Also used for deliberately unclear or evasive attitudes.
culture
暧昧期 (àimèiqī) is a widely used term for the flirtatious 'gray zone' period before a relationship becomes official.