日本語WordNet
the process of paying close and continuous attention; "wakefulness, watchfulness, and bellicosity make a good hunter"; "vigilance is especially susceptible to fatigue"
lively attentiveness
AIによる解説
A noun describing the quality of being watchful, attentive, and ready to respond. Refers to a mental state of readiness to react to dangers or opportunities. Used in contexts like driving attention, workplace focus, or animal vigilance. 'Mental alertness' is a common collocation.
ライセンス: KeyLang Original
Caffeine can temporarily increase mental alertness.
カフェインは一時的に精神的な覚醒度を高めることができます。
The notification system alerts residents immediately when emergencies occur in their area.
通知システムは、その地域で緊急事態が発生したときに住民に即座に警告する。
Pronunciation data from ipa-dict (MIT License) based on cmudict-ipa by @lingz