erratic

adj.

飘忽不定的；行为古怪，反复无常；（运动或行为）不规则的；

n.

古怪的人；[地]漂砾；

1. He was like a stormy, erratic boy.
   他好象是个性急的古怪的孩子。
2. Though occasionally chatty, his moods were erratic.
   他虽然有时健谈，但是他的脾气却很难捉摸。
3. An erratic mind jump from one idea to another.
   心意不定的人反复无常。
4. They no longer fear the erratic behavior of the market.
   他们永远不害怕市场飘忽不定的行为。
5. This clock is rather erratic.
   这个钟不太准。
6. Deliveries of goods are erratic.
   不按规定送货。

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