short-shorter
fat-fatter
funny-funnier
slow-slower
few-fewer
outgoing-more outgoing
thin-thinner
haap-haaper
smart-smarter
nice-nicer
蛮丫头々 有两个地方错了
few的比较级是规则的,加er就行了,所以是fewer
thin 由于是重读闭音节的,所以要双写n再加er
所以是thinner