"Take someone out for lunch" 是邀请某人一起出去吃午餐的常用表达方式。
来源：这个短语的来源可能是英语中 "take" 的常用词义，即带领或带着某人做某事。
例句：
"Can you take me out for lunch today?" (你今天能带我出去吃午餐吗？)
"I'm going to take my sister out for lunch this afternoon." (我下午要带我妹妹出去吃午餐。)
"I'd pke to take my colleagues out for lunch next Friday." (我想下周五带同事们出去吃午餐。)