Take a rain check American informal verb phrase
This idiom can go with the preposition "on" or "for": Take a rain check on/for [something]
Can I take a rain check on karaoke? Because I have an exam this afternoon.
I'm busy on Thursday, can we take a rain check?
The kids are going to the swimming pool now. So you have to take a rain check on teaching them.
I'm sorry, can I take a rain check for dinner this Sunday?
Used to say that what you're saying is true, or that you'll do what you promise .
To do what you promised to do or what people expect you to do
Promises do not guarantee that something will happen.
If you give someone your word, you promise something to them.
If someone swears on their mother’s grave, they pledge that they are telling the truth.
The verb "take" should be conjugated according to its tense.
This idiom originated from American in the late 19th century. Spectators of US sporting events will be given a "raincheck" ticket to gain admission to see another game if the event is canceled because of rain.