A hot cloth pressed against your jaw will usually soothe a toothache.把热毛巾放在下巴上一般能缓解牙痛。Simon could knock a man unconscious with one punch to the jaw.西蒙一拳打在下巴上就能把人击昏。He lathered his chin before shaving.他剃须前在下巴上涂上皂沫。Ruth sat, knees drawn up under her chin, and waited.鲁丝双膝抵在下巴上坐着等候。