🇬🇧🇨🇳 alertness - 警觉 : English Lesson
noun
Meaning of "alertness" ("警觉"), detailed definition, and a short video lesson below.
Alertness is when your brain and body are wide awake and paying close attention to what’s happening around you. When you have alertness, you can notice small things, understand what they mean, and react quickly. For example, a goalie in a soccer game uses alertness to spot the ball fast and decide where to jump. It’s the opposite of being sleepy, distracted, or daydreaming.
My alertness in class is strongest when the teacher says, “There will be a surprise quiz,” and suddenly nobody blinks.
Grandpa claimed his alertness was top level, then sat on his own glasses and asked, “Who put these under me?”
The dog’s alertness turned on only for the most important sound in the world: the crinkle of the treat bag.
My alertness on the soccer field is great until a butterfly flies by and I start politely following it.
Scientists say good alertness helps you learn better, but I mainly use mine to hear when someone opens a bag of chips in another room.
Her alertness in the dark alley meant she heard a faint footstep. Alertness made her stop, turn, and spot a small child. She used alertness to call for help; her alertness calmed the child. She held the child's hand until the uniform arrived. The crowd praised her alertness and she smiled, relieved.
🧑🎓 CEFR Level: C2 Proficient
This word is at the C2 level, which means it represents the highest mastery of English. It’s often used in specialized or highly formal contexts and helps you communicate with precision and subtlety, much like a native speaker.
Expanding your English vocabulary is one of the best ways to improve your pronunciation, spelling, and confidence in English. Watch the video above to memorize the word, understand its meaning, and see example sentences in action. Discover related words to grow your vocabulary naturally. Add words to your playlist for stress-free, effective learning—anytime, anywhere! Watch, learn, repeat.