drive/hammer (something) home

to say something very clearly and with a lot of force, often repeating it several times, so that you are sure that people understand it.

She used charts and statistics to drive home her message that we need to economize.

• sing the blues
• sing the same tune
• sing up a storm
• sinking feeling
• sinking ship
• sink like a stone
• sink or swim
• sink teeth into
• sink teeth into something
• sink to such depths
• sink without trace
• sink your teeth into
• sink your teeth into something
• sin tax
• siphon off
• siphon off something
• sit around on backside
• sit around on your backside
• sit back
• sit back and
• sit back and do something
• sit by
• sit by and
• sit by and do something
• sit idly by