迅速 (xùn sù): Rapid (Adjective) — Meaning & Stroke Order

Why is his reaction always so prompt, never hesitating?

Faced with the sudden situation, he did not take prompt action but calmly analyzed it first.

The market changes rapidly, so we must continuously adjust our strategies to maintain competitiveness.

The courier swiftly handed me the package and reminded me to check the outer packaging.