His presidency was very successful - it'll be a hard act to follow.他的总统生涯成就辉煌，这让其继任者难望其项背。He has been a very successful captain and will be a hard act to follow.他是个非常出色的队长，接替他的人将难以望其项背。Yesterday's thrilling victory will be a tough act to follow.昨天那场激动人心的胜利将使后来者难以望其项背。