That I can guarantee you vs Trust me

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

That I can guarantee you

Top 3,000 (common)

Trust me

Top 1,000 (very common)
Most common: Trust me
 That I can guarantee youTrust me
Pronunciation🇬🇧 //ðæt aɪ kæn ˈɡeərənti juː//🇺🇸 //ðæt aɪ kæn ˈɡɛrənˌti ju//🇬🇧 //trʌst miː//🇺🇸 //trʌst mi//
MeaningA phrase to assure someone about something.Believe what I say.
ExampleThat I can guarantee you, this product will meet your expectations.If you follow my advice, trust me, you’ll succeed.
RegisterNeutralNeutral
How commonTop 3,000 (common)Top 1,000 (very common)
Collocationsthat I can guarantee you satisfaction, that I can guarantee you success, that I can guarantee you safety, that I can guarantee you results, that I can guarantee you peace of mindtrust me on this, trust me, it's true, just trust me
Common mistakesOmitting 'that' when starting the phrase., Using 'I can guarantee you' without a clear object., Confusing with similar phrases like 'I assure you'.Using it too seriously in formal contexts., Misplacing emphasis, making it sound insincere., Confusing it with 'believe me'.
Usage notesUse in conversations when you want to assure someone. It's often used in both formal and informal contexts.Use this phrase to assure someone of your honesty. Avoid in formal situations; it’s more effective in casual conversations.

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That I can guarantee you
Trust me

Frequently asked questions: That I can guarantee you vs Trust me

What's the difference between That I can guarantee you and Trust me?

That I can guarantee you: A phrase to assure someone about something. Trust me: Believe what I say.

Which is more common: That I can guarantee you and Trust me?

Trust me is the most common in everyday English.

Can you show an example of each?

That I can guarantee you: That I can guarantee you, this product will meet your expectations. Trust me: If you follow my advice, trust me, you’ll succeed.

Can I use That I can guarantee you and Trust me interchangeably?

Not always. That I can guarantee you and Trust me 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.

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