"行吗" (xíng ma) is a colloquial expression used in Chinese that means "OK" or "is it alright?" In English, this can be translated to "OK?" or "is that alright?" This expression comes from the Chinese characters "行" (xíng) and "吗" (ma), which are used together to make a question.

Here are some examples of "行吗" in English:

"行吗?" - "OK?"

"你吃饭了吗，行吗?" - "Did you eat yet? Is that alright?"

"我们明天去看电影，行吗?" - "Let's go see a movie tomorrow, is that alright?"

In general, "行吗" is used to ask for someone's approval or agreement on a proposal or suggestion. It is often used in casual conversation among friends or acquaintances.