You can you up, no can no bb.
Translation of 你行你上，不会就别BB（别吹牛/别抱怨）
If you think you can do it better, then go ahead and do it. If you can’t do it, don’t complain or talk nonsense.
Translation of 你行你上，不会就别BB（别吹牛/别抱怨）
If you think you can do it better, then go ahead and do it. If you can’t do it, don’t complain or talk nonsense.