竭 (jié): ทำให้หมด; ใช้จนหมด; ทำให้หมดสิ้น

He exhausted all his strength to complete this task.

The company went bankrupt because its funds were exhausted.

We must serve our customers with all sincerity.

His method of draining the pond to catch fish is not advisable.

Resources are not inexhaustible.