check out
1. To settle one's bill and leave a hotel or other place of lodging.
2. To withdraw (an item) after recording the withdrawal: check out books.
3. To record and total up the prices of and receive payment for (items being purchased) at a retail store: The cashier checked out and bagged my order.
4. (Slang) To die.


check out v
1: examine so as to determine accuracy, quality, or condition; "check the brakes"; "Check out the engine" [syn: check, check up on, look into, suss out, check over, go over, check into]
2: announce one's departure from a hotel [ant: check in]
3: be verified or confirmed; pass inspection; "These stories don't check!" [syn: check]
4: trace; "We are running down a few tips" [syn: run down]
5: withdraw money by writing a check [syn: cheque]
6: try to learn someone's opinions and intentions; "I have to sound out the new professor" [syn: sound out, feel out]


那是因为你知道的"字面"意思太少了