to visit someone casually and without an appointment
किसी को बिना अपॉइंटमेंट के और बिना किसी योजना के आराम से मिलना (kisi ko bina appointment ke aur bina kisi yojna ke aaraam se milna)
"We decided to drop in on our cousins while passing through their town."
"हमने उनके शहर से गुजरते हुए अपने कज़िन्स को ड्रॉप इन ऑन करने का फैसला किया।" (humne unke sheher se guzarte hue apne cousins ko **drop in on** karne ka faisla kiya.)
to manage to communicate in a language, though not perfectly
to rebel or protest against authority or oppression
to support or strengthen something that is weak or unstable
to enter suddenly and angrily, like a storm
to cause something to happen; to make change occur
to achieve higher levels of success or position step by step