высок, как

as tall as

→ высокий
phrase Rare #47,671
as tall as Used in comparisons of height, usually with так, так же, or столь же: так высок, как means “as tall as,” while не так высок, как means “not as tall as.” The adjective высок changes form to agree with the person or thing described.
RU: Билл не так высок, как ты.
EN: Bill is not as tall as you.

Яков столь же высок, как и Вильгельм.

Jacob is as tall as Wilhelm.

Он так же высок, как и она.

He is as tall as she is.

Билл не так высок, как ты.

Bill is not as tall as you.

Том не так высок, как его отец.

Tom isn't as tall as his father.