behind my back的用法和樣例：
例句
- George did it behind my back.
喬治是背著我幹了這件事的。 - I could bake a better cake with one arm tied behind my back!
我可以輕而易舉地烘烤出一隻更好的蛋糕。 - I thought I could trust you to discuss our problems frankly, and not to go behind my back complaining to the manager.
我原為以你會擔率地談談我們間的問題，不會背著我在經理面前說我壞話的。 - He has the impudence to take things behind my back!
他背著我拿東西真不害臊！
