far from 可以接不同词性的单词或短语（形容词,副词,名词）
这个句子里 being perfect 是名词短语.
这短语的意思请看下面例句.
英语动词的 ing 形式很常是名词,比如（括号内是名词或名词短语）：
Eating is fun
Eating too much is not healthy
Being considerate of others is what we practice
Perfection is an ideal we aim for but seldom attain,because as humans we are far from being perfect.
完美是我们理想的（但很少达到的）目标,因为作为人类,我们离完美太远.
我是加拿大人,前英语老师