感情用事: give oneself over to blind emotions; abandon oneself to emotion; act according to one's sentiment -- a biased action; act impetuously; allow emotion to sway one's judgment; be swayed by em
多愁善感: always melancholy and moody; be prone to illness and melancholy; disposed to contemplate misery; given to earnest melancholy musing; hearts and flowers; oversensitive; sadly thoughtful; se