to look up: to locate information in a directory, dictionary, book, etc. Examples of LOOK UP I needed to look up half a dozen words before I figured out what the complicated passage meant. We wanted to look up a new cleaning service because the old one didn’t do a good job.

In any case: you use in any case when you want to say that a fact or situation remains the same whatever happens or has happened.Examples of IN ANY CASE The flight may be delayed, but we’ve to check in at the usual time in any case. I’ll give you a lift to the city,…

to pick up: to lift from the floor, table, etc., with one’s fingers Examples of PICK UP He went to pick up his kids from soccer practice. Don’t forget to pick up milk at the store!  

stands to reason: to be clear and logical Examples of TO BREAK OUT The bandit looked in vain for the opportunity to break out of jail. The big conference broke out into small groups.

to keep up: to prevent from sleeping; to continue maintaining (speed, level of work, condition, etc.) Examples of TO KEEP UP If we can keep up this speed, we should arrive there in about three hours. That student has been getting all As. I hope he can keep it up.

to talk over: to discuss or consider a situation with others Examples of TALK OVER In fact, Yemenis get together to talk over a chew and it is a very social event. To talk over a poem with him is like getting you to put a sentence into dialect.