🇬🇧🇨🇳 custodian - 管理员 : English Lesson

Meaning of "custodian" ("管理员"), detailed definition, and a short video lesson below.

A custodian is someone whose special job is to look after a place or important things, keep them safe, clean, and in good condition, and fix small problems so everything stays nice for everyone who uses it.

Watch and listen to this English flashcard to understand the word in more detail, with an easy example sentence.

The playground custodian says he can tell how fun recess was by how many mysterious slime spots he has to mop up.

The ice rink custodian sadly banned my triple-spin belly flops for “excessive sliding into innocent bystanders.”

The science lab custodian has a strict policy: no exploding, melting, or growing extra eyeballs after 3 p.m.

The classroom plant custodian forgot to water the plant, so we held a very tiny but emotional funeral.

The park custodian glared at the ducks, who had clearly ignored the “No Pooping on the Sidewalk” rule again.

The museum custodian woke before dawn. The custodian swept floors, wiped dust from an old toy, and tightened a loose bolt on a glass case. A worried father peered in; the custodian smiled, and the father exhaled to see the toy safe. The custodian locked the door and, satisfied, the custodian walked home at sunrise.

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.