这段音乐中不和谐的音符让人感到不安。
The ___discord in this piece of music makes people feel uneasy.
乐队演奏时的不和谐音让观众皱起了眉头。
The ___discord in the band's performance made the audience frown.
家庭聚会上,孩子们之间的不和谐让气氛变得紧张。
The ___discord among the children made the family gathering tense.