| Idiom | Meaning | Example |
| kaput |
broken, ruined
|
We have a car, but it won't go. The motor is kaput.
|
| keep a lid on it |
not tell others, keep it quiet
|
The judges know who won, but they have to keep a lid on it.
|
| keep a low profile |
not go out much, lay low
|
He plans to keep a low profile until the trial is over.
|
| keep a promise |
do what you promise to do
|
You can depend on Vern to keep a promise. He's reliable.
|
| keep a secret |
not tell anyone, keep it to yourself
|
Children can keep a secret better than adults.
|
| keep a stiff upper lip |
do not cry, do not be afraid
|
When Arthur left Tag, Dad said, "Keep a stiff upper lip, Dear."
|
| keep a straight face |
not smile or laugh, have a a poker face
|
When you said I was your uncle, I couldn't keep a straight face.
|
| keep an even keel |
be steady, be calm and sensible
|
Customer Service needs people who can keep an even keel.
|
| keep an eye on |
watch to prevent harm, watch out for
|
Fred, will you keep an eye on the children? I'm going to the store.
|
| keep an eye open |
(See keep an eye out)
|
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