As rust is to iron,so is laziness to man.

惰好比铁生锈。

"In his eye, the cat is the epitome of laziness."

他认为惰的化身。

One of his frailties of human nature is laziness.

他的弱点之一惰。

We scolded him for his laziness.

我们责备他惰。

I impute his failure to laziness.

我把他的失败归咎惰。

It's laziness, pure and simple.

这纯粹惰。

Your laziness pains your parents.

你的惰使你的父母痛苦。

Don’t encourage his laziness.

不要助长他的惰性。

It is laziness and waywardness, however, that causes one to give himself up as hopeless and back down on the pretext of "no interest".

只有惰与任性，才能使一个自甘暴弃的在“趣味”的掩护之下败退。