big mistake

Examples (10)

• Failing to back up your data would be a big mistake.
• Ignoring the warning signs was a big mistake that led to bigger problems.
• She realized her big mistake when the project failed.
• It would be a big mistake to underestimate your opponent.
• Leaving the oven on was a big mistake, luckily no fire started.
• He made a big mistake by trusting the wrong person.
• That was a big mistake; we should have listened to the experts.
• I hope we don't make the same big mistake again.
• Their refusal to adapt to new technology proved to be a big mistake.
• Forgetting her anniversary was a big mistake he quickly tried to rectify.