"成功离不开汗水"这句话的英文翻译是"Success comes from hard work."。这句话的来源可能源于英国剧作家莎士比亚的名言："Sweat equity is the most valuable equity there is. Know your business and industry better than anyone else in the world. Love what you do or don't do it."，意思是"汗水的价值是最有价值的。比任何人都更了解你的业务和行业。如果你不热爱你所做的工作，那就不要去做。"

下面是一些关于"成功离不开汗水"的英文例句和中文翻译：

"I always remind myself that success comes from hard work and dedication." (我总是提醒自己，成功来自努力和奉献。)
"You can't achieve success without putting in the effort." (如果不努力，就不可能取得成功。)
"Success comes from hard work, perseverance, and a bit of luck." (成功来自努力、毅力和运气。)
"There's no shortcut to success. It takes hard work and determination." (没有捷径可达成功。这需要努力和决心。)