be a (dead) certCERTAINLY/DEFINITELY British EnglishBrE informal to be certain to happen or to succeed 必然发生，确定无疑；必定成功 Put your money on Thorpe to win, he’s a dead cert. 你押索普获胜吧，他准会赢。
be a (dead) cert• One candidate, the outgoing Taoiseach and the then leader of Fine Gael, was a cert.• I knew my sons had been saying that of course Mum would cry - it was a dead cert!• No, this was a dead cert.
→ be a (dead) cert at cert(1)