Do you often make careless mistakes?
He is always brushing her down for making careless mistakes.
I made some careless mistakes in the English test.
But He Wenbo from China says calculators reduce careless mistakes.
misses details or makes careless mistakes in her school-work or other activities
My boss found some careless mistakes in your proposal, please be more serious.
He always makes careless mistakes, and he's a pain to work with.
Fails to give close attention to details or makes careless mistakes.