on the wane

基本解释

He might as well have taken out an advert announcing that his celebrity was on the wane.
他不如乾脆登廣告直接宣佈他的名氣正在衰減算了。
The good news is that such food-borne infections are on the wane—at least in the United States.
好消息是像這種食物傳染的感染正在減少——至少在美國是這樣的。
For their part, companies are beginning to notice the downside of all this overstretching. Absenteeism is on the rise. Low-level corporate crime is growing. Corporate loyalty is on the wane.
而公司方麪，也經已開始發覺高強度工作所帶來的副作用：曠工率和低級別的公司犯罪率都在上陞，與此同時企業忠誠度卻在減弱。

She was one of Imperial Records' best-selling artists, but when sales began to wane in the late-1960s, compounded by the devastating effects of Hurricane Camille on many of the clubs in New Orleans where she worked, she announced her semi-retirement from music.

Prozac has been on the wane anyway as newer and cheaper antidepressants erode its market share.
FORBES: Magazine Article