a significant or sudden development or discovery; an important achievement
एक महत्वपूर्ण या अचानक विकास या खोज; एक महत्वपूर्ण उपलब्धि (ek mahatvapurn ya achanak vikas ya khoj; ek mahatvapurn uplabhdhi)
"The scientist made a major breakthrough in his research on cancer treatment."
"वैज्ञानिक ने कैंसर उपचार पर अपनी शोध में एक बड़ा ब्रेकथ्रू किया।" (Vaigyanik ne cancer upchar par apni shodh mein ek bada **breakthrough** kiya.)
to have a role or influence in something
to express an opinion openly and boldly
to approach the last possible moment before a deadline
to think about only one thing all the time
to go from being poor to becoming rich and successful
to discuss something without reaching a conclusion