check out

动词 Verb

(transitive) To record the departure or withdrawal of someone or something (such as guests, employees, books, etc.).
(intransitive) To record one's departure from a workplace, hotel, restaurant, etc.
(transitive) To examine, inspect, look at closely, ogle; to investigate; to gather information so as to make a decision.
(transitive, programming) To obtain source code (or other material) from a source control repository so that one can modify it (and often later check in the modified version).
(intransitive) To become uninterested in an activity and cease to participate in more than a perfunctory manner; to become uncooperative.
(intransitive) To become catatonic or otherwise nonresponsive.
(intransitive) To leave in a hurry.
(intransitive, euphemistic, by extension) To die.

派生词（3）