I would rather not tell him.

我宁愿不告诉他。

Who do you think will get the job? I'd rather not say.

“你认为谁会得到这份工作？”“我宁愿不说。”

I 'd rather not interrupt him.

我还是不打扰他为好。

I”d rather not go there today.

今天我宁愿不去那里。

I'd rather not tell you may age.

我不想告诉你我的年龄。

I'd rather not play chess, actually.

事实上，我不想下象棋。

He decided he'd rather not find out.

他决定还是不要去弄清楚这件事。

I would rather not change the time.

我倒宁愿不要更改时间。

I'd rather not do business with them.

我宁愿不和他们做生意了。

I'd very much rather not leave you here.

我非常不愿意把你留在这儿。