"until one is blue in the face" in Chinese (Traditional)

說到臉都青了（比喻說了很多但無濟於事）

Definition

重複做或說一件事很長時間，通常是為了說服別人，但沒有成效。

屬於非正式的英語習語，常形容費盡口舌、徒勞無功的勸說，特別是與“說話”有關，不要照字面理解。

You can explain it until one is blue in the face, but he won't listen.

你可以**說到臉都青了**，但他還是不會聽。

She argued until one is blue in the face, but nothing changed.

她**說到臉都青了**，但什麼都沒有改變。

You can ask until one is blue in the face, but the answer will still be no.

你可以**問到臉都青了**，但答案還是「不」。

We talked about recycling until one is blue in the face, but no one started doing it.

我們把回收的事情**說到臉都青了**，可是沒有人去做。

You can warn him until one is blue in the face, he just ignores you.

你可以**勸他到臉都青了**，他還是不理你。

I explained the rules until one is blue in the face, but they still broke them.

我把規則**說到臉都青了**，他們還是違反了。