Do you write a diary? If you do, try to write it in English. Gradually, you will improve your writing skill.
However, I want you to look for the difference in meaning among diary, journal, logbook. They are great words to learn to build up your vocabulary. Don't forget that you must learn English by using English because learning English through translation cannot give you a thorough comprehension of this target language.
If you kept a diary, what would you write for today? Of course, you can just