Let me tell you what now vs Listen up

When to use each in English, with meaning, register, and examples.

Let me tell you what now

InformalTop 5,000 (fairly common)

Listen up

InformalBeyond 10,000 (less common)
Most common: Let me tell you what now
 Let me tell you what nowListen up
Pronunciation🇬🇧 //lɛt mi tɛl jʊ wɒt naʊ//🇺🇸 //lɛt mi tɛl jʊ wɑt naʊ//🇬🇧 //ˈlɪsən ʌp//🇺🇸 //ˈlɪsən ʌp//
MeaningA way to ask for attention before sharing information.Pay attention.
ExampleLet me tell you what now is important for our project.Listen up, everyone, I have an announcement to make.
RegisterInformalInformal
How commonTop 5,000 (fairly common)Beyond 10,000 (less common)
Collocationstell you a story, tell you about it, tell you my thoughtslisten up closely, listen up carefully, listen up all
Antonyms-ignore, tune out, disregard, neglect
Common mistakesUsing it in formal settings where a more formal introduction is needed., Not using it when you want to lead into a significant point.Used in formal situations where it's inappropriate., Mispronounced as 'listen up' instead of 'listen up'., Confused with 'listen' meaning to hear.
Usage notesUse in casual conversations to introduce what you're about to say. It's friendly but may not fit formal contexts.Commonly used to get someone's attention before giving instructions. Best in casual settings; may not suit formal situations.

See it in real clips

Let me tell you what now
Listen up

Frequently asked questions: Let me tell you what now vs Listen up

What's the difference between Let me tell you what now and Listen up?

Let me tell you what now: A way to ask for attention before sharing information. Listen up: Pay attention.

Which is more common: Let me tell you what now and Listen up?

Let me tell you what now is the most common in everyday English.

Can you show an example of each?

Let me tell you what now: Let me tell you what now is important for our project. Listen up: Listen up, everyone, I have an announcement to make.

Can I use Let me tell you what now and Listen up interchangeably?

Not always. Let me tell you what now and Listen up are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.