bone up (on (something))

to study or improve your understanding of something, esp. for a test.

The test includes history, math, and languages, so I'll have to bone up on a lot of subjects.

With new developments in medicine happening all the time, doctors continually need to bone up.

• can't hold a candle to something else
• can't hold drink
• can't hold liquor
• can't hold their drink
• can't hold their liquor
• can't keep eyes off
• can't keep eyes off someone
• can't keep eyes off something
• can't keep hands off
• can't keep hands off someone
• can't keep your eyes off
• can't keep your eyes off someone
• can't keep your eyes off something
• can't keep your hands off
• can't keep your hands off someone
• can't make head nor tail of
• can't make head nor tail of something
• can't make head or tail of
• can't make head or tail of something
• can't put a foot wrong
• can't see beyond the end of nose
• can't see beyond the end of your nose
• can't see past the end of nose
• can't see past the end of your nose
• can't see the wood for the trees