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VocabJLPT N4
key
Noun

Definitions

  1. 1. key
  2. 2. lock
  3. 3. key (to a problem, success, etc.)
This noun refers to a key, such as the key used to lock and unlock a door. It is also used metaphorically to mean the key to solving a problem or the crucial point of something.

Example sentences

Sentence 1

Sorry, I brought the wrong key.

Sentence 2

Oh no, I dropped my key in the water!

Sentence 3

I rushed to look for my key.

Sentence 4

Sure, I'll unlock it now.

Sentence 5

Are you sure that's the right key?