重點講解：
1. be sensitive to
過敏的；易受影響的；敏感的；
eg. A baby is sensitive to the slightest nuances in its mother's voice.
嬰兒對母親聲音的最細小變化都很敏感。
eg. He is too sensitive to criticism.
他對批評太敏感。
2. get close to
接近；靠近；
eg. He scootered to get close to the island.
他乘兩用滑艇靠近了那小島。
eg. It takes me a long time to drop my guard and get close to people.
我要花上好長時間才能放下戒備心，與人接近。
3. be said to do sth.
據說；據報道；
eg. The bus is said to have over-turned and fallen into a ravine.
據說巴士發生翻車，跌進了峽谷。
eg. The jewels were said to be beyond price.
據說那些珠寶價值連城。