shrewd /ˈʃruːd/ adjective shrewder; shrewdest
shrewder; shrewdest
Learner's definition of SHREWD
[also more shrewd; most shrewd]
: having or showing an ability to understand things and to make good judgments : mentally sharp or clever精明的；敏锐的 -
a shrewd observer/businessman敏锐的观祭员；精明的商人
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She's shrewd about her investments.她对自己的投资判断精准。
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a shrewd observation敏锐的观察
— shrewdness
noun [noncount]