| Idiom | Meaning | Example | 
| tranny | 
transmission of a car or truck
 | 
When you buy a used car, check the condition of the tranny, eh.
 | 
| trash | 
wreck, ruin, ratch
 | 
That puppy trashed one of my slippers - chewed it to pieces!
 | 
| trash the place | 
wreck a room or building, a bull in a china shop
 | 
If you invite the Casey boys, they'll trash the place.
 | 
| trendy | 
fashionable, at the beginning of a trend
 | 
That's a trendy coat she's wearing. I've seen it in fashion magazines.
 | 
| trial and error | 
learn by correcting errors, hit and miss
 | 
We learned to make pizza by trial and error. We gradually improved.
 | 
| trial balloon | 
proposed program, planned policy, pilot project
 | 
If you want to know public opinion, send up a trial balloon and
listen to what they say.
 | 
| trial run | 
doing the steps to see if your procedure is correct, try it out
 | 
Let's do a trial run to see if we know how to make espresso coffee.
 | 
| trickle-down economics | 
a system that depends on   government spending to help the economy
 | 
Private enterprise is better than trickle-down economics because profit motivates people.
 | 
| tricks of the trade | 
(See the tricks of the trade)
 | 
 | 
| tried and true | 
tested and proven, reliable, true blue
 | 
When Sven chops wood, he uses a Sandvik axe. It's tried and true.
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