ahead of schedule

ahead of schedule — idiom

1. used when something happens or arrives earlier than the time that was originally

1.慣用語B1
釋義

used when something happens or arrives earlier than the time that was originally planned or expected — for example, a train arriving early, a baby being born before the due date, or a season starting sooner than usual.

例句

The spring flowers bloomed three weeks ahead of schedule this year.

adverbial: bloomed + ahead of schedule

Mira's flight landed ahead of schedule, so she took a taxi to the hotel.

同義詞
  • early

    simpler and more general; 'ahead of schedule' implies a planned timeline, while 'early' can mean simply 'before the usual time'

  • beforehand

    more formal and less common; focuses on the action being done in advance rather than relative to a schedule

  • ahead of time

    nearly identical in meaning, slightly less formal; common in everyday speech

反義詞
  • behind schedule

    the most direct opposite; means happening later than planned

  • late

    more general; simply means after the expected or planned time

文法句型

be + ahead of schedule

[verb] + ahead of schedule

用法筆記

Common with verbs of arrival, occurrence, or natural processes (arrive, bloom, land, be born, open). Frequently modified by a time quantity: 'two weeks ahead of schedule,' 'three months ahead of schedule.'

常見錯誤

The train is ahead of schedule arriving.
The train arrived ahead of schedule.
💡'ahead of schedule' is an adverbial phrase and should follow the verb, not precede it.

2. used when a person or team completes a task, reaches a goal, or delivers a produ

2.慣用語B1
釋義

used when a person or team completes a task, reaches a goal, or delivers a product earlier than the agreed or planned deadline — often in work, study, or project settings.

例句

Bao finished his final project a full month ahead of schedule.

verb + object: finished [project] + ahead of schedule

The development team delivered the software update ahead of schedule.

同義詞
  • early

    simpler; 'early' does not always imply a formal plan or deadline

  • before the deadline

    more explicit about having a due date; slightly more formal

  • ahead of time

    nearly synonymous; slightly less common in business contexts

反義詞

文法句型

[verb] + [object] + ahead of schedule

be + ahead of schedule (for task completion)

用法筆記

Frequently followed by 'on' to specify the task ('ahead of schedule on the project'). The subject is typically a person, team, or organization that controls the pace of work. Distinguish from sense 1 (BEFORE PLANNED TIME), where the subject is an event or natural process outside human control.

常見錯誤

We finished the project ahead of the schedule.
We finished the project ahead of schedule.
💡No article ('the') before 'schedule' in this fixed phrase.