watchful

🇬🇧 UK/'wɒtʃful/🇺🇸 US

A1

Definitions

adj.

Closely observant and alert; vigilant and on guard against danger or problems.

注意的，警惕的，警觉的

🧩 Root Breakdown

Native English

watchfulother

=watchful

Example Sentences

1.
The watchful guard noticed the suspicious figure immediately.
2.
Parents must be watchful of their children online.

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