“吸二手烟”常见的英文表达是 “be exposed to secondhand smoke” 或 “inhale secondhand smoke”。
“be exposed to secondhand smoke”：更侧重于描述处于二手烟的环境中，被动地接触到二手烟，强调的是一种状态或暴露的情况。例如：Children who are frequently exposed to secondhand smoke are at a higher risk of respiratory problems.（经常暴露在二手烟环境中的儿童患呼吸系统问题的风险更高。）
“inhale secondhand smoke”：重点在于“吸入”这个动作，突出把二手烟吸进体内的行为。例如：It's harmful to inhale secondhand smoke in enclosed spaces.（在密闭空间内吸入二手烟是有害的。）