妈妈:
Dear. Dad and I are going to attend an important party. Would you like to stay with grandma? 

亲爱的,爸爸和我要去参加一个很重要的宴会,你想要去呆在奶奶那吗?
儿子:
No, I prefer to stay at home. 

不,我宁愿呆在家里。
妈妈:
But you are too young to stay alone. 

但是你还很小,不适合自己呆着。
儿子:
It is fine. I can deal with myself. 

没事啦,我自己能处理自己的事。
妈妈:
I can’t rest my heart. 

我不放心。
儿子:
Don’t worry. I am fine. 

别担心,我很乖啦。
妈妈:
Maybe I shouldn’t go, and stay at home. 

或者我不该去,应该呆在家。
儿子:
No, you can give me a call if you are convenient. 

不,你可以在你方便的时候给我打电话。
妈妈:
Ok, that’s a good idea. You promise you will be fine. 

好,这是个好主意,你保证你会好好的。
儿子:
I mean what I say. 

我说话算数。