Meat should be a supporting actor on the plate, not the main character.

肉类不应该是我们饮食中的主角，而应该是一个配角。

youdao

I am but a supporting actor in yourment of your play and will do what I can to serve you all.

我只是你们戏剧中的配角，我将尽我所能为你们服务。

youdao

They say he's certain to get a nomination for best supporting actor.

他们说他肯定会获得最佳男配角奖的提名。

《柯林斯英汉双解大词典》

Besides best picture, the nominations include Quentin Tarantino for best director and Christoph Waltz for best actor in a supporting role.

VOA: special.2010.03.01

Christoph Waltz earned the Oscar for Best Supporting Actor for his role as a Nazi colonel in the World War II film "Inglourious Basterds."

VOA: standard.2010.03.08

But Gore advisors believe the larger problem is that voters still see him almost entirely as vice president--a supporting actor rather than a strong leader.

CNN: latimes.com: Conventions to fill in portraits of Gore, Bush

Ledger has been nominated for an Academy Award for Best Supporting Actor for his portrayal of the Joker, having been awarded a Golden Globe for Best Supporting Actor and a BAFTA for Best Supporting Actor.

CNN: Ledger fans demand the Joker retired from film

"Revolutionary Road, " featuring the heavyweight trio of Winslet, Leonardo DiCaprio and director Sam Mendes ("American Beauty"), picked up just one major nomination -- a best supporting actor nod for Michael Shannon's portrayal of a troubled savant.

CNN: 'Benjamin Button' hooks 13 Oscar nominations