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1.谓内心空明而无成见或谦虚而不自满。 2.胆怯。 3.神经衰弱。亦谓心跳不正常。
(1) [afraid of being found out; with a guilty conscience]∶做错了事或坏事怕人知道 (2) [lacking in self-confidence; diffident]∶缺乏自信