吃不透
Not sure; try to figure out not  Not sure; figured not. Du Pengcheng "Defend Yan'an" Chapter II: "But a foot from his first class, an affectionate son did not go through air to suck with him. Why? He does not eat through." Yang Shuo "Three thousand rivers and mountains "13th paragraph:" WU Tian-bao Yu Long a Zhajian large, it does not eat through the person. "
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