brazen英文

"肆无忌惮″语出自《礼记•中庸》："小人之(反)中庸也，小人而无忌惮也。″ 宋朱熹《与王龟龄》："遗君后亲之论交作，肆行无所忌惮。″《元史•奸臣传·卢世荣》："世荣居中书才数月，恃委任之专，肆无忌惮，视丞相犹虚位也。"肆无忌惮的意思就是任意妄为，无所畏忌。

No face！

have a thick hidev.脸皮厚have a thick skinv.脸皮厚, 不敏感

脸皮厚: 1. have a thick skin2. have a thick hide3. have a thin skin4. brazen 当政客得脸皮厚.You need a thick skin to be a politician. You've got a ruddy nerve!你脸皮真厚！You have a lot of nerve.脸皮真厚。That child is a damn sight too cheeky.这孩子脸皮太厚.He is a cool hand.他这个人脸皮很厚。He had the crust to order me around.他厚着脸皮对我发号施令。A cheeky boy, remark厚脸皮的男孩儿、言语Bold and impudent; brazen.轻率的大胆而轻率的；厚脸皮的Have the hide to do sth.厚着脸皮做某事Have a neck+[1] [nerve] to do sth.厚着脸皮做某事Have the neck+[1] [nerve] to do sth.厚着脸皮做某事

肆：放肆；忌：顾忌；惮：害怕。肆无忌惮的意思：非常放肆，一点没有顾忌。