| Idiom | Meaning | Example | 
| test drive | 
drive to evaluate, try it out
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I test drove the new Harley on Saturday. What a bike!
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| test the water | 
check people's feelings, take a poll
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Wilson always tests the water before he introduces a budget.
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| test your metal | 
test your strength or will or skill, run the gauntlet
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If your team is losing by three runs, the bases are loaded, and you are the final batter - that will test your metal!
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| TGIF | 
Thank Goodness It's Friday, I am glad it is the last day of work this week
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"Remember, we're going to a party tonight."
"Yes! TGIF!"
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| thank goodness | 
I am thankful or relieved, thank heavens
 | 
Thank goodness you're here. We were worried about you.
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| Thank Goodness It's Friday | 
(See TGIF)
 | 
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| thank heavens | 
thank the gods, thank goodness
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When we phoned Mom, she said, "Thank heavens you're safe!"
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| thank your lucky stars | 
(See you can thank your lucky stars)
 | 
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| thanks a bunch | 
thanks very much, thanks a lot
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When I deliver the groceries, she says, "Thanks a bunch, Teddy."
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| thanks a million | 
thanks very much, thanks a lot
 | 
Thanks a million for all you've done for us. We do appreciate it.
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