defend against保卫…以免受
in defence 防御，保障
intruduce sb to sb 向某人介绍某人
kiss sb on some part亲吻某个部位
together with 与某人一起
be likely to 很可能…；有希望…
on the contrary 相反
nod at sb 向某人点头
greet sb with/by 通过…向某人问候
express one’s feelings表达感情
in general 总的来说；通常
at a job fair 在求职会上
at ease 舒适；自由自在
lose face丢脸
turn one’s back to 背对；背弃
turn one’s head away 把头转过去
be willing to 渴望…, 愿意…
look upset about sth 对.. 感到沮丧
experiment with sth用某物实验
experiment on sth.对某物进行实验
have a narrow escape九死一生
a fire escape紧急出口;安全门
earn make get/gain one’s living谋生
be diagnosed with被诊断出…, 患有…
become the voice of成为…的代言人
partly because of一部分因为