“连胜”常见的英文表达是 “winning streak” 或 “consecutive wins”。
“winning streak” 强调连续获胜的状态或趋势，更口语化、常用，例如：The team is on a five-game winning streak.（这支球队已经取得了五连胜。 ）
“consecutive wins” 更直接地描述连续获胜的场次，较为正式、客观，例如：They achieved three consecutive wins in the tournament.（他们在这次锦标赛中取得了三连胜。 ）