重點講解：
1. bit by bit 一點點地；逐漸地；
例句：His father began to lose his memory bit by bit, becoming increasingly forgetful.
他的父親開始一點點地失去記憶，變得越來越健忘J!LAJ!|Gb]]48BOJ*]g。
2. be familiar with 熟悉；熟知；
例句：Most people are familiar with this figure from Wagner's opera.
多數人都熟悉瓦格納歌劇中的這一人物wrVC6^fV4x。
3. be good at 擅長的；精通的；能干的；
例句：You have to be good at spotting trouble on the way and heading it off.
你必須善于發現潛在的麻煩并加以化解Nff5Y|2l9_db1OZK。
4. share with 與…分享；與…共享；
例句：The village tribe is friendly and they share their water supply with you.
村里的部落很友善，他們會和你一起分享水源Q~H49jFd5U)99DW。