more or less: 1, almost, 差不多，几乎，
eg: i've more ore less finished reading the book.
2, approximately 大致，大约，或多或少
eg: it took more or less a whole day to paint the ceiling.
eg: i can earn $20 a night, more or less, as a waiter.
now and then/again: occasionally, 偶尔，时而，有时，
eg: i like to go to the opera now and then,
eg: every now and again she went upstairs to see if he was still asleep.
1或多或少,2不时
啊哦这些词语都是相反的没什么联系的难道会搞不清楚？？？？
ＭＯＲＥＬＥＳＳ相反ＮＯＷ现在ＴＨＥＮ要比现在慢一点点或者然后
more or less是 或多或少的意思,now and then 是 偶尔 的意思!!!!!!!
more是更多，now是现在的意思，then是然后，至于less是什么意思我也不懂，我只是一名初中生，抱歉~