词典释义：
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Police stopped him for driving erratically.
警察因其驾驶不循规则而把他拦下了。
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He was obviously upset and was driving erratically.
他显然心烦意乱，开起车来摇晃不定。
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His formal schooling continued erratically until he reached the age of eleven.
他的正式学校教育断断续续地持续到了他11岁时。
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Olson began to behave erratically.
Olson的行为开始变得古怪。
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To move or think erratically; vacillate.
反复无常变化无常地移动或思考；
erratically，英语单词，主要用作副词，作副词时译为“不定地；不规律地”。