mellow
adjective uk/ˈmel.əʊ/ us/ˈmel.oʊ/
(SMOOTH)
柔和的；温和的；芳醇的
smooth and soft, or not too sharp, bright, new, or rough
mellow flavours 芳醇的味道
mellow sounds 柔和的声音
mellow autumn sunlight 秋日柔和的阳光
(RELAXED)
放松的;令人愉快的
relaxed and pleasant or not severe
a mellow mood/atmosphere 放松的心情／轻松的气氛
After a few drinks, he became very mellow. 几杯酒下肚后，他变得飘飘然起来。
mellow
verb uk/ˈmel.əʊ/ us/ˈmel.oʊ/
(BECOME SOFTER)
[ I ]变柔和;成熟
to become softer and more developed in a pleasing way
The brickwork will mellow over the years so that it blends with the surroundings. 这座砖建筑物随着时间的推移会变得古色古香，与周围的环境融为一体。
(BECOME RELAXED)
[ I or T ]（使）放松
to become more relaxed
She used to be very impatient, but she's mellowed over time. 她过去很容易急躁，但随着时间的推移她变得平和多了。
The years have mellowed her. 岁月使她变得成熟稳健。
US informal Oh, don't be so tough on yourself, Bill - mellow out (= become more relaxed and less severe). 哦，别对自己那么苛刻，比尔，放松点。