To feel that one has done the right thing.
महसूस करना कि किसी ने सही काम किया है। (Mahsoos karna ki kisi ne sahi kaam kiya hai.)
"After returning the lost wallet, he went to bed with a clear conscience."
"खोए हुए बटुए को वापस करने के बाद, वह साफ़ अंतरात्मा के साथ बिस्तर पर गया।" (Khoye hue batue ko wapas karne ke baad, vah saaf antarathma ke saath bistar par gaya.)
something that operates smoothly and efficiently
The older you get, the wiser you become, due to experience.
to campaign for a political position
the most lively and entertaining person at a party
very important or sensational news
signs of problems or weaknesses in a system or relationship