up toとは

意味・読み方・使い方

前置詞

up to

1. Next to; near; towards; as far as.

   Go up to the counter and ask.

   I've read up to chapter 5.

2. Capable of.

   Are you up to lifting something that heavy?

3. Ready for.

   Are you up to the challenge?

4. Willing to participate in.

   Are you up to going to the beach?

5. As much as; no more than.

   You can make up to five copies.

6. Until.

   Up to that point, I liked her.

7. For the option or decision of.

   It’s up to you whether to get the blue one or the red one.

8. Doing; involved in.

   What are you up to today?

   He looked like a man up to no good.

9. Incumbent upon; the obligation of; the duty of.

   It's up to the prosecution to prove that the defendant is guilty.

10. (mathematics) Considering all members of an equivalence class the same.

    There’s only one rooted tree with two leaves, up to ordering.

11. Within the authority or jurisdiction of.
12. (archaic, slang) Familiar with the meaning of; able to understand.
    • 1836-37, Charles Dickens, The Pickwick Papers

      ‘Oh,’ said Mr. Pickwick. ‘My what, did you say?’
      ‘Your chummage ticket,’ replied Mr. Roker; ‘you’re up to that?’
      ‘Not quite,’ replied Mr. Pickwick, with a smile.
      ‘Why,’ said Mr. Roker, ‘it’s as plain as Salisbury. You’ll have a chummage ticket upon twenty-seven in the third, and them as is in the room will be your chums.’

形容詞

up to (not comparable)

1. maximum of.

   Violators may face a fine of up to $300.

同意語

• (in 数学): modulo

派生語

• be up to
• get up to
• up to no good
• up to something