名词
中文翻译：Unknown
同义词：
['indicative', 'warning sign', 'forewarning']
例句：
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1.The tell-tale signs of spring are everywhere: flowers blooming and birds chirping.
春天的迹象随处可见：花朵盛开和鸟儿歌唱。
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2. The police were looking for a tell-tale clue in the dusty old book.
警方在一本尘土飞扬的老书中寻找一个明显的迹象。
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3.The weather forecast warned of a tell-tale drop in temperatures.
天气预报警告说温度会明显下降。