Absorb
Soak up sth
Solve a problem
Sort out
Mix, combine
Blend sth in
Reduce or limit the number of possibilities or options
Narrow down sth
Plan something
Map out sth
Eradicate
Wipe out
Withdraw from college or university
Drop out
Spend time with friends
Hang out with
Suggest an idea or a proposal
Put forward
To be distracted
Zone out
Accumulate
Build up
Become stable
Level off sth
Disintegrate
Break sth down
Donate sth or hand something out for free
Give sth away
Fail to keep up
Fall behind
Flirt
Hit on sb
Register for a course or a university program
Enroll in / on sth
Exercise
Work out
Refresh knowledge
Brush up sth
When sth gives good results or it goes well
Pan out
Melt a substance
Melt sth down
Work hard or study hard
Knuckle down
Exclude
Rule sth out
Emit: heat, smell
Give off
Confirm: a fact
Bear out sth