sap

Từ điển Oxford Advanced Learner 8th

sap [sap saps sapped sapping] noun, verb BrE [sæp] NAmE [sæp]
noun
1. uncountable the liquid in a plant or tree that carries food to all its parts
•Maple syrup is made from sap extracted from the sugar maple tree.
2. countable (informal, especially NAmE)a stupid person that you can easily trick, or treat unfairly
•The poor sap never knew what was going on behind his back.

Word Origin:
n. sense 1 and v. Old English sæp Germanic sap ‘undermine’ n. sense 2 early 19th cent. sapskull ‘person with a head like sapwood’ ↑sap ‘sapwood’ ↑skull
 
verb (-pp-)
to make sth/sb weaker; to destroy sth gradually
•~ sth The hot sun sapped our energy.
•~ sb (of sth) Years of failure have sapped him of his confidence.
Verb forms:

Word Origin:
n. sense 1 and v. Old English sæp Germanic sap ‘undermine’ n. sense 2 early 19th cent. sapskull ‘person with a head like sapwood’ ↑sap ‘sapwood’ ↑skull

Example Bank:
•The fever slowly sapped her strength.

 

• Từ đồng nghĩa / Synonyms:
  blackjack, cosh, fool, saphead, muggins, tomfool, run down, exhaust, play out, tire