chǐ rú qí bèi
形容牙齿整齐洁白。贝,白色螺壳。
《庄子·盗跖》:“唇如激丹,齿如含贝。”
齿如齐贝作谓语、定语、状语;形容牙齿整齐洁白。
One's teeth are as beautiful as orderly-arranged shells.