| Idiom | Meaning | Example | 
| a total stranger | 
one you have never seen, a perfect stranger
 | 
"Can I give you a ride home?" "No. You're a total stranger."
 | 
| a touch of | 
a little illness, minor symptoms
 | 
Mary's not feeling well today. She has a touch of the flu.
 | 
| a tough act to follow | 
a performance that is not easy to equal
 | 
Gail danced very well. That is a tough act to follow.
 | 
| a tough call | 
a difficult decision, a hard choice
 | 
Was the goal scored before the game ended? It's a tough call.
 | 
| a tough row to hoe | 
(See a hard row to hoe)
 | 
 | 
| a tough time of it | 
a time of stress or bad luck, a rough time of it
 | 
When Bev left home she had a tough time of it. She had no job.
 | 
| a tower of strength | 
a person who helps you during a crisis, a brick
 | 
When my parents were killed in an accident, Harry was a tower of strength to me.
 | 
| a wake-up call | 
a warning, a caution, wake up and smell the coffee
 | 
"I got a D on my English test!" "Is it a wake-up call to work harder?"
 | 
| a wash | 
not owing each other, call it square
 | 
You owe me $20, but you gave me a CD, so it's a wash, eh.
 | 
| a wash-out | 
a failure, a lost cause
 | 
No one attended the concert. It was a wash-out.
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