Ben is possibly acknowledging the enormity of the task. This refers to the gesture of opening one's mouth in surprise. Chin和jaw的区别是：1、作名词时的意思是：chin：颏；下巴。 例句：he had a receding chin which made him appear vacuous.翻译：他的下巴往后缩，使他看起来呆愣愣的。
Unveiling Busta Rhymes' MindBlowing Halloween Transformations Brace
喋喋不休；教训 一、读音：英 [dʒɔː]；美 [dʒɔː] 二、例句： a strong square jaw is a sign of firm character.
It might mean that here.
英语chin 和jaw 的区别chin和jaw的区别是：1、作名词时的意思是：chin：颏；下巴。 例句：he had a receding chin which made him appear vacuous.翻译：他的下巴往后缩，使他看起来呆. The basic idiom is his jaw dropped. References to the floor or ground are hyperbolic ornamentation!
