| face up to + | acknowledge something difficult or embarrassing | I’ll never be able to face up to my colleagues after getting so drunk last night at the work party. |
| fall back on + | be able to use in case of emergency | Yuki can fall back on her degree in biology if she doesn’t succeed in her acting career. |
| fall behind | go slower than scheduled, lag | Hurry up or you will fall behind! |
| fall behind in + | go slower than scheduled, lag | Cheryl has missed several days of school and now she is falling behind in her homework. |
| fall off | decrease | Interest in the project fell off when they realized it wouldn’t be profitable. |
| fall out with + | have an argument with | I had a falling out with my sister last month and we haven’t talked to each other since. |
| fall through | fail to happen | Unfortunately, my trip to Indonesia fell through because I couldn’t save enough money. |
| feel * up + | grope | She sued her boss for sexual harassment after he felt her up. |
| feel up to + | have the energy to do something | I don’t feel up to going out tonight because I had a long day at work. |
| figure on + | expect | Where do you figure on living when you move to the the U.S.A.? |
| figure * out + | solve something, understand | I finally figured the joke out. Now I understand why everybody was laughing. |
| figure * up + | calculate | I need to figure my expenses up before I give you an estimate. |
| fill * in + | complete | Don’t forget to fill in all the blanks on the application. |
| fill in | substitute | Who is going to fill in while you’re gone? |
| fill in for + | substitute for | Miguel filled in for me at the meeting yesterday because I was sick. |
| fill * out + | complete (an application) | I filled out an application to rent the apartment last week. |
| fill out | mature, get breasts | Now that you’re filling out honey, we need to get you a bra. |
| fill * up + | fill to the top | Fill the car up with unleaded gas, please. |
| find out + | discover | You will never find out all my secrets! |
| find out | discover | Vicky’s parents are going to be so mad when they find out she got a tattoo. |
| fix * up + | repair, renovate, remodel | My neighbors are fixing their house up. |
