to work hard and continuously
অবিরাম কঠোর পরিশ্রম করা
"If you keep your nose to the grindstone, you’ll achieve your goals."
"তুমি যদি নিরবচ্ছিন্নভাবে পরিশ্রম করো, তোমার লক্ষ্য পূরণ হবে।"
to connect or become involved in something, usually a system...
you have to work hard to achieve success
to make a great effort to help or please someone
Important things take time to develop or accomplish.
A victory won at too great a cost to be worthwhile.
something that is intended to deceive or confuse