讲解文本：

talk the talk 嘴上说说
walk the walk 实际行动

“你行你上啊，不行别BB”的三种地道表达：
1. Don't talk the talk, if you can't walk the walk.
如果不能实际行动的话，就别说个没完。
2. Let's see you do better.
看看你怎么做得更好。
3. Put up or shut up.
要么行动，要么闭嘴。

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