of uncertain, indefinite, or unclear character or meaning
不明确的,不清楚的
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many patients suffer vague symptoms. 许多病人患有症状不明的疾病。
thinking or communicating in an unfocused or imprecise way
含糊的,模糊的
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he had been very vague about his activities .他对自己的行动说得很模糊。
"mid 16th cent.: from French, or from Latin