重点讲解：
1. go through 经历，经受（尤指苦难或艰难时期）；
例句：The child is going through a difficult phase.
那孩子正经历困难的阶段xF*NSh4eL1HrJ。
2. be good at 擅长的；精通的；能干的；
例句：John is an athletic boy. He is good at running.
约翰体魄健壮IjH+c-1iD1!0U4;ewuUk。他擅长跑步sB2H436vL,+^G*;A*g+(。
3. freak out (使)吃惊；(使)不安；(使)恼怒；(使)困惑；
例句：I remember the first time I went onstage. I freaked out completely.
我还记得自己第一次登台的情形4I12XxvxRu~0wodytI1r。我完全吓坏了^*p#od.i2|lK;nn。
4. on the back burner 次要地位；从属地位；
例句：Many speculated that the US would put the peace process on the back burner.
很多人推测美国将会暂时搁置和平进程TV24BbzZo*0&*B。