一廂情願

The number one; single; a; as soon as; entire; whole; all; a "one" radical in Chinese characters; also used for clarity when spelling out numbers.

A side room or wing; a private box in a theater or stadium; a region near a city; a side or aspect, often in older literature.

Emotion or feeling; sentiment; affection or love; friendship; situation or circumstances; passion.

To wish or hope for something; to be willing or agreeable; a vow or pledge; to admire or envy.