"Stand up" 是起立的英文表达。来源是由 "stand"（站立）和 "up"（向上）两个词组合而成。
例句：
"Please stand up before the national anthem."（请在国歌响起前站起来。）
"The teacher told the students to stand up and stretch their legs." （老师告诉学生站起来活动活动。）
"I had to stand up and give a presentation in front of the whole company."（我不得不站起来在公司全体面前做报告。）