1.I want to strive for the higher grades，but I can't. I am too tired ，I work hard everyday，from morning to night，without rest. 2.He wants to strive against corruption，so he begins to plan very carefully. 3.I strive to be first in this competition，To be the champion is very important for me and my family，I need the bonus to help my child. 4.She strives to get the meaning of life in this ever-changing world.Sometimes there is no hope and she wants to give up，sometimes she is very happy to learn something new and meet some good people. 5.I strive to get more money from my work ，so I can go to the university in England.