It's a-a fake tooth from an old ice-skating injury.

以前溜冰时摔的 就装了颗假牙。

No, it's just an old injury that never healed quite right.

没有 之前没治好的旧伤罢了。

Not all forms of arthritis can simply be traced to an old sports injury.

并非所有形式的关节炎都能简单追溯到旧运动损伤。

Old injury. The bullet's still lodged in his sinus.

老毛病了 子弹还留在他鼻窦里呢。

You can also apply that to a wound in medicine - to aggravate an old injury.

你也可以把它涂在药物的伤口上——加重旧伤。

I fell a few times on slippery rocks, got quite sweaty, and was tempted to be grumpy all the way back due to an old knee injury acting up.

我在湿滑的岩石上摔了几次，汗流浃背，由于膝盖旧伤，我一路都脾气暴躁。

About Rivarez—no doubt, it's complicated with a lot of nerve trouble; but the main cause of disturbance is an old injury that seems to have been disgracefully neglected.

关于 Rivarez——毫无疑问，神经问题很复杂；但引起骚动的主要原因是旧伤似乎被可耻地忽视了。