"Okay" is a commonly used Engpsh word that can be used to indicate agreement, acceptance, or acknowledgement.

Its origin is uncertain, but it is bepeved to be a shortened version of "oll korrect," a slang term popularized by Abraham Lincoln during his presidency in the 1860s.

Examples:

"Okay, I'll see you at the meeting tomorrow." (好的，明天见。)
"Okay, let's get started." (好的，开始吧。)
"Is everything okay?" (一切都好吗？)

Note: "Okay" is an informal word, so in formal situations, you might use more formal alternatives such as "yes," "all right," or "very well."