erratic

/ɪˈrætɪk/ (bre, ipa) · /ɪˈrætɪk/ (ame, ipa) · /i-ˈra-tik/ (ame, mw)

erratic — 形容詞

  • erraticpositive
  • more erraticcomparative
  • most erraticsuperlative

1. changing suddenly or unevenly instead of following a steady pattern, so that peo

1.形容詞C1
釋義

不穩定

變化無規律，難預測或依賴

changing suddenly or unevenly instead of following a steady pattern, so that people cannot predict it or rely on it

例句

The bus service became erratic after the drivers went on strike.

司機罷工後，公車服務變得很不穩定。

become erratic after a disruption

April rain was so erratic that farmers delayed planting their rice.

四月的雨勢非常不穩定，所以農民延後了種稻。

同義詞
  • unpredictable

    broader and less focused on repeated changes in pattern

  • irregular

    often more neutral, especially for timing, shape, or heartbeat patterns

  • unstable

    suggests something may fail, collapse, or change dangerously

反義詞
  • steady

    stays even and dependable over time

  • consistent

    keeps the same standard or pattern without sudden changes

文法句型

erratic + behavior / service / weather / heartbeat

become / grow / turn + erratic

用法筆記

Often used for behavior, movement, weather, services, or results that keep changing instead of staying steady. It usually suggests that people cannot rely on what will happen next.

常見錯誤

❌The train times were random this week.
✅The train service was erratic this week.
💡'erratic' describes an irregular, unreliable pattern; 'random' usually does not describe schedules.

erratic — 名詞