You can use stuff to refer to things such as a substance, a collection of things, events, or ideas, or the contents of something in a general way without mentioning the thing itself by name.
I'd like some coffee, and I don't object to the powdered stuff if it's all you've got.
我想要点咖啡,如果你只有速溶的,我也不介意。
He pointed to a duffle bag. 'That's my stuff.'
他指着一个旅行袋。“那是我的东西。”
know one's stuff
If you say that someone knows their stuff, you mean that they are good at doing something because they know a lot about it.
These guys know their stuff after seven years of war.
经过7年的战争,这些家伙都成了作战行家。
stuffs , stuffing , stuffed
If you stuff something somewhere, you push it there quickly and roughly.
I stuffed my hands in my pockets.
我把双手塞进了我的口袋里。
If you stuff a container or space with something, you fill it with something or with a quantity of things until it is full.
cram
He grabbed my purse, opened it and stuffed it full, then gave it back to me.
他抢过我的钱包,打开并塞满钱,然后还给了我。
If you stuff yourself, you eat a lot of food.
I could stuff myself with ten chocolate bars and half an hour later eat a big meal.
我可以吃下10块巧克力,并在半小时后再大吃一顿。
If you stuff a bird such as a chicken or a vegetable such as a pepper, you put a mixture of food inside it before cooking it.
Will you stuff the turkey and shove it in the oven for me?
你能帮我把填料塞进火鸡里,然后把它放进烤箱吗?
If a dead animal is stuffed, it is filled with a substance so that it can be preserved and displayed.
his collections of stamps and books and stuffed birds.
他收藏的邮票、书籍和鸟类标本。