to watch something or someone with a lot of interest.

We were all eyes as the prince and princess emerged from the palace.

• stitch in time saves nine.
• stock up
• stock up on
• stock up on something
• stomping ground
• stone's throw
• Stone the crows!
• stool pigeon
• stoop to
• stoop to something
• stop at nothing
• stop at nothing to do
• stop at nothing to do something
• stop by
• stop by somewhere
• stop dead in tracks
• stop dead in your tracks
• stop in their tracks
• stop in tracks
• stop in your tracks
• stop on a dime
• stop over
• stop short
• stop short of
• stop short of doing something