表达自己用英语怎么表达？

例句：

I wouldn't lower myself by working for him.

我不会贬低自己的身份去为他工作。

This behaviour must stop ─ do I make myself clear?

这种行为必须停止——我讲清楚了吧？

Even at my advanced age I still know how to enjoy myself!

我虽说是黄昏暮年，也还懂得如何找乐儿！

I'm going to London by myself next week.

我准备下星期一个人去伦敦。