忠诚zhōng chéng
devoted, fidelity, loyal, loyalty忧郁yōu yù
sullen, depressed, melancholy快活kuài huo
happy, cheerful思念sī niàn
think of, long for, miss思绪sī xù
train of thought, emotional state急躁jí zào
irritable, irascible, impetuous性情xìng qíng
nature, temperament