goof off 偷懒；游手好闲；不认真工作；混日子

【例句】
They don't know how to goof off, at least in the best, fat sense of the word.
他们不知道该如何游手好闲，至少，胖人们对这个词可是具有相当的认识。

Some workers would goof off when the boss went away.
要是老板不在，有些员工就会偷懒。