警惕 (jǐng tì): Be on guard against (Verb) — Meaning & Stroke Order

Be alert to vehicles when crossing the road.

He was not at all on guard against the impending crisis.

Before signing the contract, be sure to watch out for any hidden unfavorable clauses.

In the face of online scams, everyone should stay alert and not easily trust unfamiliar information.

With the flu season at its peak recently, everyone should be cautious about getting infected when going out.