重点讲解：
1. be sensitive to
过敏的；易受影响的；敏感的；
eg. A baby is sensitive to the slightest nuances in its mother's voice.
婴儿对母亲声音的最细小变化都很敏感。
eg. He is too sensitive to criticism.
他对批评太敏感。
2. get close to
接近；靠近；
eg. He scootered to get close to the island.
他乘两用滑艇靠近了那小岛。
eg. It takes me a long time to drop my guard and get close to people.
我要花上好长时间才能放下戒备心，与人接近。
3. be said to do sth.
据说；据报道；
eg. The bus is said to have over-turned and fallen into a ravine.
据说巴士发生翻车，跌进了峡谷。
eg. The jewels were said to be beyond price.
据说那些珠宝价值连城。