n.悲哀，忧伤，忧愁，悲哀；令人悲哀或忧伤的事物；愁眉苦脸，心境恶劣，心情恶劣；认真 英英释义： sadness[ 'sædnis ]n.emotions experienced when not in a state of well-being同义词：unhappinessthe state of being sad"she tired of his perpetual sadness"同义词：sorrowsorrowfulnessthe quality of excessive mournfulnes