I'm not going to believe it myself, never mind convince anyone else.我自己都不会相信，更别提说服别人了。It's hopeless trying to convince her.想说服她简直是徒劳。It requires a lot of talking to convince him.要说服他很费口舌....
This material is variously termed ash, clinker, cinders or slag.这种材料有不同的名称,如灰 、 炉渣 、 煤渣或矿渣.All bands slag off their record companies. It's just the way it is.所有乐队都会臭骂自己的唱片公司，都这样。In some cases the slag can be dispose...