common saying > A sharp tongue Tofu cardia
Yu words sharp and soft hearted  Yu words sharp and soft mind. Yao Xueyin "night" 31: "my life is the knife on the mouth but a soft heart and said they will tighten the rope, in fact, tenants have no restraint." Liu Shaotang "Re Mei" 9: "She is knife mouth this person soft heart, do not eat hard food soft. "
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