be stood up 是被放鸽子了的意思
示例
A：You look very sad.
B：I was stood up! I am very disappointed.
A：你看起来很伤心。
B：我白等了，我很失望。
A：I was stood up. Landy didn't come.
B：He might be chained to his work.
A：我白等了，兰迪没有来。
B：他可能是忙工作呢。