minor

柯林斯词典

1. ADJ You use minor when you want to describe something that is less important, serious, or significant than other things in a group or situation. 次要的
She is known in Italy for a number of minor roles in films. 她因担任电影中一些配角而闻名意大利。
2. ADJ A minor illness or operation is not likely to be dangerous to someone's life or health. 不严重的
Sarah had been plagued continually by a series of minor illnesses since her mid teens. 自从十四五岁起萨拉就一直小病不断。
3. N-COUNT A minor is a person who is still legally a child. In most states in the United States, people are minors until they reach the age of eighteen. 未成年者
The approach has virtually ended cigarette sales to minors. 这一作法实际上已经终止了向未成年人出售香烟。
4. ADJ A minor scale is one in which the third note is three semitones higher than the first. 小调的
...the unfinished sonata movement in F minor. …未完成的F小调奏鸣曲乐章。

For the sake of completeness , I should also mention two other minor developments .
Treat minor ailments yourself.
The fear is that these minor clashes may develop into all-out confrontation .
They had minor breakthroughs but real success eluded them.
Your health is generally good, but you do have a few minor problems .