https://online2.tingclass.net/lesson/shi0529/0009/9907/156.mp3
https://image.tingclass.net/statics/js/2012
講解文本：
thick-skinned 厚臉皮的，感覺遲鈍的，不知羞恥的
Be thick-skinned and speak up!
臉皮厚一點，大聲說出來!
He is thick-skinned and never cares what others say.
他臉皮厚，從來不在乎別人講什么。
瘋狂練習(xí)吧!
