It's customary for the condemned to have a choice.

我們的習俗是由囚犯來決定晚餐

It is customary to be sad at a funeral.

出席葬禮的傳統就是要表現出悲哀

It's customary that I task you to prove yourself.

依據慣例 我會給你一個任務來證明自己

I believe it's customary to grant three.

按照慣例不是該實現你的三個愿望嗎

It's customary at this point for you to say something.

通常這時候你該說點什么了

It's customary you give your name back.

慣例來說 你也應該告訴我你的名字吧

Ah, must be a customary greeting here.

這一定是這里特有的問好方式

In polite society, it's customary to knock before entering.

在文明社會 人們進門前應該先敲門

with his customary expression of befuddlement and utter incomprehension.

帶著他一如既往的 宿醉不醒又疑惑不解的神情

But I'm a guest in your home, so it would be customary for you to offer me a beverage.

但我是你的客人 按照慣例 你該給我倒杯飲料