তার বেপরোয়া গাড়ি চালানোর কারণে একটি বড় দুর্ঘটনা ঘটেছিল।
COLLOCATIONS
careless mistake, careless driver, careless attitude, careless whisper
WORD FORMSAdverb: carelessly | Noun: carelessnessUSAGE NOTES
Often used to describe someone's character or the quality of their work. It carries a negative connotation of lacking responsibility.