I need a sandwich to take the edge off my appetite.
我需要一份三明治以解腹中之饥。
Her pupils often got the rough edge of her tongue when they disobeyed her.
学生不听她的话时，常遭到她粗暴的申斥。
She was trying to remain calm, but there was a distinct edge to her voice.
她竭力想保持冷静，但她的声音中却显然带著怒气。
