n.貧瘠；無脂肪；貧弱

Hope is a slender reed for a stout man to lean on. 希望是壯漢依靠的一根纖細的蘆葦。

The little girl only eats lean pork. 這個小女孩只吃瘦肉。

I am afraid he is too lean to endure it. 我擔心他太瘦，承受不住它。

Don't always lean on others for help. 不要老是依靠別人的幫助。

Sit up, children! Don't lean over the table! 坐直，孩子們，不要趴在桌子上！

If you lean over the wall. you will see the river. 如果你伏在墻上望出去，就會看到那條河。

n.清潔；潔白