The funny guy "fill" like working with different kinds of prepositions :p The word "fill" like combining with different prepositions to make different meanings. Sometimes it also combine with something else to build some idioms. (1) fill up and fill up on. - I used to use automatic pencil. Every time when it works out, you just need to fill it up with refill again. - Tomorrow is our birthday party for Jean. I think it's the time to fill up on snacks. (2) fill out. - If you want a scholarship, you need to fill out this formular firstly and then go to that waiting line for the meeting with our interlocutor. He will answer you any question about scholarship. - I am too lazy to do sport. So it's impossible for me to fill out my muscles. Another option may be using the opportunities to take or hold heavy things. (3) fill in. - In the sheet of today's homework you can see a lot of blanks. You have to fill in each one. Next time we will talk about them. So have fun:) - The holiday was so quick and today I have to work again. Have I missed something? I am wondering if you could fill me in with the new informations. (4) fill sb's face. - Filling you face when eating is not only bad for your digestion but also unpolite for the other person on the table. (5) filling. - My brother ate a lot of candies when he was a child. So he has many problems with his teeth. I am sure that he will have a lot of fillings when he is older. (6) Do you know any phrases or idioms with "fill"? By the way, I will start learning English with less translation:) Thank you very much for reading and for your correction.