Just call yourself a stand-upguy(or girl) who knows how to set boundaries so people can't take advantage of you.
做个坦诚面对自己的人：知道如何设立防线，以免别人占你的便宜。
2
This is the game's greatest player, who's perfectly nice when he isn't copping an attitude, and a stand-upguy to boot, even if his version can be pretty divorced from reality.
“Jerry Yang is a stand-upguy and he would never say he came in to clean up a very large mess, but he stepped in because he had to – they were losing ground to [gm99nd],” he said.