on-the-go(busy,occupled)经常不在家
【讲解】
如果一个人经常坐不住，不是出去打球就是出去闲逛，一回到家，似乎就准备随时出门，像这一类人的习性，就可用on-the-go形容，相当于very busy或是occupied。
【对话】
A:You see, my brother is on-the-go all the time.
A:你看，我弟弟整天不在家。
B:Why don't you stop him?
B:为什么你们不阻止他呢？
A:My parents couldn't control him.
A:我父母管不了他。
B:You should have a try. Perhaps he will listen to you.
B:你应该试一试，也许他会听你的话。