不断 (bú duàn): continuous, unceasing; continuously, constantly

He studied hard unceasingly and finally passed the exam.

With the unceasing development of technology, our lives are becoming more and more convenient.

She kept trying new methods and finally found the best way to solve the problem.

The teacher constantly encouraged us not to give up.

The river water kept rising, and the villagers began to worry.

We must constantly learn new knowledge.

He worked hard continuously and finally succeeded.

The weather is constantly changing; keep warm.

The company continuously launches new products.