There are a few ways to express "not only ... but also" in Chinese. One of them is:

Structure

Noun + 不仅 + A，而且 + B

A and B could be adjectives, verbs or phrases.

Examples

他不仅很帅，而且很聪明。He is not only handsome, but also intelligent.
我们不仅完成了任务而且比规定日期提前了十天。We not only completed the task, but we did so ten days ahead of schedule.
这道菜不仅好吃而且很有营养。This dish is not only tasty, but also nutritious.