1. fall far short of 与……相去甚远
However, as a populous country, the country's present-day disabilities organizations still fall far short of the needs of society.
然而，作为一个人口大国，该国现今的残疾人照顾机构还远远达不到社会的需求fvl3I4Ho07f。

2. exchange letters with 互致信函
I plan to have many pen pals and exchange letters with them, so I can collect more stamps from letters.
我计划交许多笔友，和他们互通信函，这样我就可以收集到更多的邮票了K#3Ow-V%7t,d~kg!m2&。

3. be seized with 突然……
I was seized with a sudden urge to step out and slap him. For a moment, my vision blurred.
我突然有种出去扇他一巴掌的冲动，片刻，我的视线模糊了%B&44LS,)vR^XfQ。

4. head back to 回……去
I think we'd better head back to the hotel and get a good night's rest before our big day tomorrow.
我想我们还是回旅馆好好休息一晚，明天开始我们丰富的旅程吧JTz@yoe*[m8V。