你帮了我一个大忙，我非常感谢你。
You have done me a great service, and I'm very grateful to you.
你帮了我一个大忙，在这个世界上，付出总会有回报的。
You did me a good turn, and, in this world, what is given is always returned.
他就是那个人，对我来说，他是一切，因为他帮了我一个大忙，帮我参加世界卡丁车锦标赛。
He was the man, and for me, he was everything since he helped me a great deal going to the go-kart World Championships.
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