加重 (jiā zhòng): To make heavier (Verb) — Meaning & Stroke Order

The air pollution has worsened, so it's best to wear a mask when going out.

He was sneezing and had a runny nose at the same time, clearly indicating that his cold had worsened.

Haven't you noticed that his stuttering has worsened recently when he speaks?

He did not follow the doctor's advice to recuperate, and as a result, his condition worsened.

Because he needs to attend an important meeting, he both asked for leave and adjusted his work plan.