We all have two hands , there are five fingers in each hand , and every finger has a finger-nail . If your finger-nails are too long , it would be a place where dirt and bacteria will live in .

每一个人都有二只手，每只手有五个手指，每个手指头上有一个指甲，就像如果你地指甲过长，那指甲里面就会有污垢，而细菌也会在里面生长。

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His hands are rough and wide, with big bony fingers and chewed nails.

NEWYORKER: Baptizing the Gun