to cook food in an oven or over a fire

Just roast the chicken in the oven and baste it in oil and lemon. 直接把鸡放在烤箱里烤，烤时涂上油和柠檬汁。

figurative We lay on the beach and roasted (= got very hot) in the Mediterranean sun. 我们躺在地中海的沙滩上晒日光浴。

to heat nuts or coffee beans so that they become drier and browner

to criticize severely or speak angrily to someone

Critics roasted him for exploiting racial stereotypes. 批评者抨击他利用了刻板的种族成见。

to humorously criticize and make jokes about a famous person at a public event honouring that person, as a part of the event

He's known for roasting big-name celebrities on his Comedy Central shows. 他以在《喜剧中心》的节目上吐槽名人而出名。

Roast meat or vegetables have been cooked in an oven or over a fire

roast beef/chicken/potatoes 烤牛肉／鸡／土豆

roasted red pepper sauce 烘焙的辣椒酱

a large piece of roasted meat

an event where a famous person has jokes and humorous criticisms made about them, for entertainment

There will be a roast hosted by Bill Maher to mark Larry King's 50 years on radio and television. 比尔·梅尔将主持一场吐槽会，纪念拉里·金在广播电视界从业50周年。