vigilantly
🇺🇸
/ˈvɪdʒɪləntli/
🇬🇧
/ˈvɪdʒɪləntli/
watching carefully for signs of danger or trouble
The security guard was vigilantly scanning the crowd for any suspicious activity.
보안 요원은 의심스러운 활동이 있는지 군중을 경계하여 살펴보고 있었습니다.