• 例1：Although/Though he's nearly 80, he is still very active. （虽然快80岁了，他还是⼗分活跃。）
• 例2：Even though sometimes you may use a wrong word or tense, it doesn't matter. （虽然有时你可能⽤错单词或时态，但这并不重要。）【even（甚⾄）此处作副词，起强调作⽤】
• 例3：We won't give up even if we should fail 100 times. （即使失败了⼀百次我们也不放弃。）（if表假设）
• 例4：While Tom's very good at science, his brother is absolutely hopeless. （汤姆很擅⻓理科，⽽他的兄弟绝对是不可救药。）（while突出两者同时对⽐）