加紧 (jiā jǐn): Hasten / accelerate (Verb) — Meaning & Stroke Order

We need to speed up our studies.

Although time was tight, they did not hasten their actions because of it; instead, they became more cautious.

In order to catch the last subway train, he quickened his pace and finally rushed in just before the doors closed.

As the exam approaches, the students are all stepping up their review of lessons.

The company needs to both accelerate the development of new products and ensure the quality of existing products is not affected.