to wane
01
减弱, 减少
to gradually decrease in intensity, strength, importance, size, influence, etc.
Intransitive
例子
The popularity of the trend is currently waning among the younger generation.
这一趋势在年轻一代中的流行度目前正在减弱。
Over the years, the influence of the traditional media has waned.
多年来，传统媒体的影响力已经减弱。
02
亏, 减少
(of the moon) to gradually decrease in its visible illuminated surface as it progresses from full to new moon
Intransitive
例子
The moon began to wane after the full moon.
满月之后，月亮开始亏缺。
As the month progresses, the moon will wane each night.
随着月份的推进，月亮每晚都会渐亏。
Wane
01
衰退, 减弱
a decrease in something
例子
The empire 's influence was clearly in wane by the late 18th century.
到18世纪末，帝国的影响力明显在减弱。
Interest in the fad entered a noticeable wane after just a few months.
对这种潮流的兴趣在仅仅几个月后就进入了明显的衰退。
02
(Scottish) a child
Slang例子
The wane was playing outside all afternoon.
I've got three wains at home to look after.
