1.  uncertain
2.  inconstant
3.  indefinite
4.  variable
5.  indeterminate

• 1. 不定的: uncertain | adventitious | unlimited
• 2. 捉摸不定的: up in the air | egup p in the air
• 3. 摇摆不定的: wobbly | pendulous | unentschieden | niezdecydowany

更多释义

• 1.他们在一起度过了分分合合动荡不定的五六年。
  They had been together for five or six turbulent years of break-ups and reconciliations.
  dict.yoduao.com
• 2.她让人捉摸不定的魅力和无厘头的作风是个传奇。
  Her fey charm and eccentric ways were legendary.
  dict.yoduao.com
• 3.阿根廷动荡不定的通货膨胀率有打乱这些计划的危险。
  Argentina's erratic inflation rate threatens to upset the plans.
  dict.yoduao.com

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