“用笑摆脱”可以翻译为 “shake off... with laughter” 或者 “get rid of... through laughter” 。
“shake off... with laughter” 强调通过笑声来摆脱某种不好的状态、情绪或困扰等，比如 “He tried to shake off his anxiety with laughter.”（他试图用笑声摆脱焦虑。）
“get rid of... through laughter” 意思相近，也是表达借助笑声去摆脱某些东西，例如 “She found a way to get rid of her sadness through laughter.”（她找到了一种用笑声摆脱悲伤的方法 。）