To spend all your time studying
सारा समय पढ़ाई में बिताना (sara samay padhai mein bitana)
"He buried himself in books before the finals."
"उसने फाइनल परीक्षा से पहले खुद को किताबों में डुबो लिया।" (usne final pareeksha se pahle khud ko kitabon mein dubo liya)
to be more successful or prepared than others
to mark the beginning and end of something
completely free; without restrictions
to avoid someone or something
to go to bed; to sleep
very energetic and lively