I do confess my leanness. I am spare, And, therefore, spare me.

我必须承认我很瘦。我没太胡来，所以说饶了我吧。

In these bits of leanness a few birds find grateful homes.

这些瘦削地方， 有几只鸟找到了感恩家。

Only his bare chest and the leanness under his ribs moved a little to his breathing.

只有他裸露胸膛和肋骨下瘦削他呼吸中微微移动。