4 something which is considered unimportant, not interesting, or not worth worrying about 微不足道的事,小事
今晚电视没什么可看的。
6 if you have nothing to do with someone or something, or if someone or something has nothing to do with you, you are not involved or connected with it 与某人/某事毫不相干; 与某人/某事无关
have/be nothing to do with sb/sth