to work hard on something for a long period
किसी चीज़ पर लंबे समय तक कड़ी मेहनत करना (kisi cheez par lambe samay tak kadi mehnat karna)
"She grinded away at her studies to pass the exam."
"वह परीक्षा पास करने के लिए अपनी पढ़ाई में दिन-रात मेहनत कर रही थी।" (vah pariksha paas karne ke liye apni padhai mein din-raat mehnat kar rahi thi)
to fail completely; to come to nothing
to postpone discussing something until later
to give everything you can to help someone
signs of problems or weaknesses in a system or relationship
to show others how to do something by demonstrating it yours...
to be late or delayed