英文俚语flashback ,croak ,loser什麼意思,怎样运用?

同于：hindsight,memoir,recall,recollection,reconsideration,reflection,remembrance,reminiscence,retrospect,retrospection,review 同于：total loss;stooge; underdog; fall guy; The hardest thing to learn is to be a good loser。=最难学的一点是做一个输的起的人。He always gets annoyed when I beat him at cards; he's a bad loser。=每当我打牌赢了他时,他总是很生气,他是个输不起的人。