to deal successfully with something difficult
किसी कठिन कार्य से सफलतापूर्वक निपटना (kisi kathin kary se safaltapoorvak nipatna)
"He always rises to the challenge when things get tough."
"जब चीजें कठिन होती हैं, तो वह हमेशा चुनौती का सामना करता है।" (jab cheezein kathin hoti hain, to wah hamesha chunauti ka samna karta hai)
to expand the size or capacity of business or production
to gradually develop skills or actions that lead to success
to make an error while speaking or reading
to allow optimistic thoughts and feelings into your mind
to reserve a period in your schedule for something important
to sleep in order to recover from something like fatigue or...