Up to什麼意思

"Up to" is a prepositional phrase in English that can have several different meanings depending on the context in which it is used. Here are some common uses:

1. Maximum limit or extent: "The temperature can go up to 40 degrees Celsius."

2. Reaching a certain point: "The river flows up to the city's edge."

3. Responsible for or involved in: "Who is up to the task?" or "The committee is up to something."

4. Deciding or choosing: "It's up to you to decide."

5. Recent to or just before (a certain time): "I worked there up to last year."

6. As far as: "Up to what point have you read the book?"

7. Including: "There are up to 100 people attending the event."

8. Approaching or nearing: "The storm is up to the coast now."

9. In the position or state of: "Up to his ears in work," meaning very busy.

10. Involved in mischief or wrongdoing: "I'm sure they're up to no good."

11. Preparing for or ready to do something: "Are you up to playing tennis?"

12. Able to handle or cope with: "I'm not sure if I'm up to the challenge."

13. In the habit of doing something: "He's up to his old tricks again."

14. In the direction of: "The plane took off up to the north."

15. In the process of doing something: "She's up to cooking dinner."

The meaning of "up to" can be quite flexible, and it's important to consider the context in which it is used to determine its precise meaning.