重点讲解：
1. come up 走近；走到跟前；
例句：Her catcame upand rubbed itself against their legs.
她的猫跑上前来，在他们腿上蹭来蹭去-RK#bPbY7K。
2. convince sb. to do sth. 说服；劝服；
例句：I've been trying toconvincehimtocome with me.
我一直在说服他与我一起过来YM+cGOg!TRO)O。
3. be allowed to do sth. 允许；容许；准许；
例句：The animalsare allowed towander at will in the park.
这些动物可以在公园里随意走动_=7IhpymzOcz49b。
4. get tired of 厌烦的；厌倦的；
例句：You neverget tired ofhearing this story.
这个故事百听不厌MN_a2nr93h。