You can cut the pose 你用不着摆那种姿势. He's just faking it. 他只是在充空壳子. 他只是空心大佬倌.
There's no use kidding yourself. 自欺何益之有? You little cheat. 你这小骗子.
He is a phony. 他是个骗子.
He's an imposter. 他是个冒牌货. You're a lying, swindling thief. 你这说谎、欺骗人的贼. You're not only a liar, you're hopeless! 你不仅是个说谎者, 你简直无可救药.
