问一首英文歌，歌词好像是oh,mama I had a mama,the biggest…mama

I don't work hard when it's easy, 水到渠成之时,我不会奋力争取 I put in work when it's hard 坎坷艰难之时,我会加倍努力 Girl, I never believed in love 女孩,我从未相信爱情 until I had yours 直到我遇到了你 This is more than a season 不是一时半会儿的事 and I'm not just fun 我不是为了玩乐 I'm not a