差几岁英语怎么说

差几岁 (chà jǐ suì) 的英文表达是 "differ by a few years" 或 "differ by a few age". 这个表达来源于汉语，"差" (chà) 是"不同"的意思，"几岁" (jǐ suì) 是"年龄"的意思。
下面是一些例句及其中文翻译：
Our ages differ by a few years. 我们年龄差几岁。
They differ by a few age. 他们年龄差几岁。
Our ages are only a few years apart. 我们的年龄差几岁。