“指甲”的英语？

“指甲”的拼音为：zhī jia...

我指甲根部的表皮龟裂粗糙，指甲被咬得参差不齐。My cuticles were split and ragged, and my nails unevenly bitten.她试图给他剪指甲，他不让。When she had attempted to cut his nails he resisted.我用拇指指甲把台灯上的螺钉拧紧了。I used my thumbnail to tighten the screw on my lamp...