非但 (fēi dàn): ไม่เพียงแต่

Not only did he finish his own homework, but he also took the initiative to help classmates who were struggling.

Not only did this rain fail to ease the drought, but it actually caused a flood.

Not only did she not get discouraged by failure, but she practiced even harder.

Not only is this restaurant affordable, but the food also tastes especially authentic.

Not only do the students like the new teacher, but even the parents speak highly of him.