known quantity
известная величина
Пример использования идиомы known quantity:
The new teacher is a known quantity in the school because she worked here before.
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Другие идиомы:
- kangaroo court
- keep the wolf from the door
- kill the fatted calf
- kill two birds with one stone
- kill the goose that lays the golden egg
- keep body and soul together
- kink in one's neck
- know (something) in one's bones
- know where all the bodies are buried
- keep books
- keep track of (something)
- kickback
- knock down the price of (something)
- keep one's shirt on
- keep (something) under one's hat