It not easy being your age 为什么用being?

It not easy being your age 为什么用being? “it’s not easy being green” 原文是：Apparently,it’s not easy being green,for humans either. It is not easy being your age这句话中,为什么是being Being in love is easy,being married is not.It is to be cherished. 为什么it is not easy being a teenager,用being 而不用to be a teenager? Being in love is easy,being married is not.It is to be cherished. IT'S NOT EASY BEING YOUR AGE.为什么不用TO DO八下课文上的 It's not easy being an Arsenal fan,but it's hard not to love this team 的中文 Being in love is easy,being married is not.It is to be cherished.什麼意思? 走遍美国中7有一句 It's not easy being away from home.不理解为什么要用being not easy being a teenager——nor is it easy being the parent of a teenager.为什么lt's会翻译成长吨的?速 It's Not Easy Bein' It'S Not Easy 歌词 英语单选24It was not easy to decide what____and what____behind.a.to take;to leave b.taking;leaving c.being taken;being left d.take;leave 男人也难 ITS NOT EASY BEING A MAN怎么样 It’s not easy being your age,and it’s normal to have these feelings.这个句子的be动词为什么要加ing? It's not so easy to loving It'S Not That Easy 歌词