Crossword puzzle clue "you can tell it"

Street corner things that tell you you can't park here, if you should stop, where to go, etc.

It can tell you how you're doing in class, pressure free

"I can't help you ___ you tell me what's wrong"

1986 R.E.M. hit with the prechorus line "And tell the sky and tell the sky"

"Don't tell me, don't tell me!"

Tell-all that doesn't actually tell all that much?

What you can tell by counting a tree's rings

"I can't tell the two of you ___!"