It makes my back hurt and puts me in the same sort of frustrated and grumpy mood my sons are in when they have disobeyed my orders and managed to play computer games all day.

• 成天坐着打电脑，我的背总是很疼，我总觉着心情沮丧，牢骚满腹，就和我几个儿子不听我的命令，成天打电脑游戏一样，把我弄得情绪很遭一样。