sign up

IPA/sˈaɪn ˈʌp/
IPA/sˈaɪn ˈʌp/

sign up — phrasal verb

  • sign upbase form
  • signs up3rd person singular
  • signing up-ing form
  • signed uppast simple

1. to put your name on a list so that you can take part in a course, club, service,

1.片語動詞不及物A2
釋義

to put your name on a list so that you can take part in a course, club, service, or the army, usually by filling in a form online or on paper

例句

Beatrix decided to sign up for the Tuesday evening pottery class at the library.

sign up for + activity noun

More than two hundred runners signed up for the charity race along the river.

passive-free intransitive: people sign up for an event

同義詞
  • enrol

    more formal, usually for courses or schools

  • register

    neutral; common for events, websites, and official lists

  • join

    broader; does not stress the act of putting your name down

反義詞
  • drop out

    leave an activity you had joined

  • withdraw

    formally remove your name before or during

文法句型

sign up for + noun

sign up to + verb

用法筆記

Usually followed by 'for' before a noun (sign up for a course) or 'to' before a verb (sign up to volunteer). Distinguish from sense 2: here the subject is the same person who joins, with no one else being persuaded.

常見錯誤

❌I signed up the yoga class.
✅I signed up for the yoga class.
💡you need 'for' before the activity.
❌She signed in for the marathon last week.
✅She signed up for the marathon last week.
💡'sign in' means log into an account, not join an event.

2. to persuade someone to join an activity or organization, or to formally take som

2.片語動詞及物B1
釋義

to persuade someone to join an activity or organization, or to formally take someone on by getting them to agree to a contract

例句

The basketball coach signed up three new players before the season started.

sign somebody up (transitive, object = people)

Ritu signed her younger sister up for swimming lessons at the local pool.

sign somebody up for + activity

同義詞
  • recruit

    stresses actively finding and persuading people to join

  • enlist

    formal; often military or for a cause

  • take on

    for employees or contracted people

反義詞
  • let go

    remove someone from a team or job

  • release

    free a player or worker from a contract

文法句型

sign somebody up

sign somebody up for/to + noun

用法筆記

Takes a person or group as the object, often with a separable pattern (sign somebody up). Distinguish from sense 1: here the subject persuades or enrols someone else, rather than joining themselves.

常見錯誤

❌The coach signed up.' (meaning he recruited players)
✅The coach signed up three players.
💡sense 2 needs an object naming who was recruited.