Picture this:You're standing in the rain waiting for your date.
"Picture this"是很常见的口语表达,意思是"设想一下,想象一下".
It looks like they've stood you up!
stand sb up (informal): to deliberately not meet sb you have arranged to meet, especially sb you are having a romantic relationship with 故意失约使某人空等
I've been stood up!
人家让我空等一场。
It looks like…貌似,看起来…
Let sb down: 使某人失望