重点讲解：
1. be afraid of
害怕的；恐惧的；
eg. Most animals are afraid of fire.
大多数动物怕火i1%]Te&X=E]07g。
eg. They were afraid of answering the questions and incriminating themselves.
他们担心因回答这些问题而受到牵连^.f9DUj&#^ZcHWs&|h。
eg. He's afraid of going out alone at night.
他害怕夜晚独自出去*XdnnW6Wm&。
2. sick
呕吐的；恶心的；想吐的；
eg. She got up and was sick in the handbasin.
她起身在洗手池里吐了起来&8vpx7;@]EB,Q2cDc。
eg. The very thought of food made him feel sick.
一想到食物他就恶心HtkBR2p^[p。
eg. Orange juice makes him sick so don't give it to him.
橙汁会让他恶心，别让他喝橙汁9~;4LUT~[x!Gn%(。