短语
中文翻译：在
同义词：
['out of the blue', "by a hair's breadth", "at a stroke of luck例句：1. I might go to the beach on the off chance that it's sunny.（我可能会在天气晴朗的时候去海滩。）2. He decided to take a vacation on the off chance that his boss would approve.（他决定在老板批准他的假期时去度假。）3. She was surprised when she won the lottery on the off chance that she had been holding her breath.（她很惊讶，因为就在她以为自己一直屏住呼吸的时候，她中了彩票。）"]
例句：
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1. I might go to the beach on the off chance that it's sunny.
我可能会在天气晴朗的时候去海滩。
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2. He decided to take a vacation on the off chance that his boss would approve.
他决定在老板批准他的假期时去度假。
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3. She was surprised when she won the lottery on the off chance that she had been holding her breath.
她很惊讶，因为就在她以为自己一直屏住呼吸的时候，她中了彩票。