1.reach an impasse: 遭遇窘境
2.childhood issues:童年的问题
3.be a natural at sth.:擅长做某事
4.roll the dice:滚筛子
5.be pedantic:迂腐的
6.look on the bright side:从积极的一面看问题
7.choke on sth:吃。。噎到
8.have a little spat:口水战(sheldon一直乐此不疲的)
9.take your mind off those things:不要再想这些问题
10.back off:让开
11.be itching to do sth:渴望做某事