Her popularity has been on the wane for some time.

她的人气一段时间以来江河日下。

《牛津词典》

The star power of British celebrities appears to be on the wane.

英国明星的影响力似乎日渐衰微。

youdao

He might as well have taken out an advert announcing that his celebrity was on the wane.

他不如干脆登广告直接宣布他的名气正在衰减算了。

youdao

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.

VOA: standard.2009.12.25

While almost every country now votes, public faith in democracy is on the wane.

CNN: Story highlights

Our national story is often framed in terms of a once-great global power on the wane.

BBC: Chelsea Flower Show and our island mentality

But now there are fears that this aspect of Singapore's culinary heritage is on the wane.

BBC: Can Singapore's hawker food heritage survive?