No guts, no glory, Doctor.

不入虎穴焉得虎子博士
I'll see your five and... raise you 20.

跟你五个另外加二十个
Now it's just you and me.

就剩你和我了
I'm not used to playing in this kind of high-stakes game.

我不习惯玩这么高赌注的牌
It's not too late to bow out.

现在撤还得及
Now there's an excellent suggestion. And before proceeding any further,

好建议在更上一层楼之前
I should really examine my motivations for doing so.

我真该检查下我这么做的动机
Staying in the game, I run the risk of losing my entire stake...

继续打牌我有失去全部的赌注的风险
and being humiliated in front of these lovely people.

还会当着这些友好的人们面前被羞辱
"Humiliated" Is a such a strong word.

羞辱这个词太重了
"Embarrassed" Would be my choice.

换成尴尬这个词好了
You do play rough, don't you?

你是在玩狠的是吧