| Idiom | Meaning | Example |
| U-turn |
turn and go the opposite direction, do a 180
|
The driver of the truck made a U-turn and drove back into town.
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| uh-huh |
yes, yep
|
"Do you want a piece of cake?" "Uh-huh."
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| uh-uh |
no, nope
|
"Have you done your homework?" "Uh-uh."
|
| under a spell |
controlled by a spirit or magic, cast a spell
|
She danced when she saw the cat. She seemed to be under a spell.
|
| under arrest |
stopped and taken away by the police, busted
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"Jean, you are under arrest." "What for, sir?" "For stealing a loaf of bread."
|
| under control |
order restored, control returned
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The prisoners caused a riot, but things are now under control.
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| under fire |
being asked many difficult questions
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After your speech, you will be under fire from reporters.
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| under his own steam |
by himself, without help
|
Although Don was injured, he left the field under his own steam.
|
| under my belt |
completed, finished
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With an accounting course under my belt, I can do the bookkeeping.
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| under my breath |
whispered, not spoken loud enough to hear
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When the teacher asks questions, I often answer under my breath.
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