Значение идиомы shake down

[shake down] {v. phr.} 1. To cause to fall by shaking.

He shooksome pears down from the free.

2. {informal} To test, practice, getrunning smoothly.

The captain shook downhis new ship on a voyage to the Mediterranean Sea.

3. {slang} To getmoney from by threats.

The gangsters shook the store owner downevery month.