滞后

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Character Breakdown

Meaning and Usage

"滞后" means to lag behind or be delayed relative to something else. It often describes situations where progress, development, or response is slower than expected or compared to another factor.

Common Contexts

It is frequently used in economics, technology, education, and information flow contexts to indicate a delay or lag.

Collocations and Patterns

  • 经济滞后 (economic lag): used to describe economic development falling behind.
  • 信息滞后 (information delay): refers to delayed or outdated information.
  • 进度滞后 (progress lag): used when someone's or something's progress is behind schedule.

Usage Notes

"滞后" is more formal and often used in written or technical contexts. It differs from "落后" which can imply backwardness or inferiority, while "滞后" focuses on timing or sequence delays.

Avoid confusing "滞后" with "迟到" (arriving late) as "滞后" is about process or development delays rather than punctuality.

Example Sentences

Economic development lags behind technological progress.

His learning progress is lagging; he needs to work twice as hard.

Due to delayed information, the decision was wrong.