https://online2.tingclass.net/lesson/shi0529/0009/9215/h/23.mp3
https://image.tingclass.net/statics/js/2012
H-23:have no back bone 性情懦弱
A:What do you think of Frank?
A:你認為弗蘭克這人怎么樣?
B:He's all right. But I think he seems to have no back bone.
B:他人挺好,就是好像性情有點懦弱。
A:Why do you say that?
A:你為什么那么說昵?
B:Whenever things get tough, he gives in.
B:每當(dāng)事情變得棘手時,他就會屈服。