1.roast的基本意思是“在火上烘烤”,也可指烤肉,炒豆等。引申可表示“严厉批评”。
2.roast既可用作不及物动词,也可用作及物动词。用作及物动词时,接名词、代词作宾语。可用于被动结构。用作不及物动词时主动形式常含有被动意义。

用作不及物动词
▲S+～(+A)
Put the meat into the oven to roast.把肉放到炉子里去烤。
Can't we open a window?
I'm roasting.可不可以开一扇窗?我热死了。
用作及物动词
▲S+～+n./pron.
We roast meat and potatoes.我们烤肉和马铃薯。
You've made a fire fit to roast an ox.你生的火可以烤一头牛。
He roasted himself in front of the fire.他在炉前烤火取暖。
The sun was roasting us.太阳火辣辣地烤着我们。
◇ 用于be ～ed结构
Coffee beans are roasted before they are ground.咖啡豆先炒一下,然后再磨碎。
The film was roasted by most critics.这部电影受到影评界大多数人的严厉批评。
They got roasted for what they had done to you.他们由于对你干了那些事而受到苛责。

roast, bake, toast
参见bake条。

1.roast也可用作名词,意为“烤肉”。例如:
Let's have a nice roast for Sunday dinner.让我们星期天晚餐好好吃一顿烤肉。
2.roast还可用作形容词,意为“烤好的,烤制的”,通常只用作定语。例如:
There's a piece of roast beef.这儿有一块烤牛肉。

［词源］＜古法语rostir(烤)