LL: Sometimes the person you are trying to teach isn't very smart - and you have to dumb it down so they can begin to understand. In that case, it does have a negative meaning.
LL: Of course - and at work, when I explain the software to people who have never used it, I generally dumb down my instructions so they don't get confused.
LL: Well, she is an editor for a magazine, and I thought she could help you by editing your dissertation - and you could help her practice her Chinese. It's a win-win situation for both of you.
LL: Well, I like the idea! You are a great cook and I'm happy to buy the food, and you'll learn how to use the software. A perfect win-win partnership!
LH: 你也是个很棒的双赢夥伴。可是,Larry, 吃完饭后别忘了洗碗。
LL: Me do the dishes, too? That seems a little less win-win to me!