(historical) A vast economic and social plan lasting from 1958 to 1961 which aimed to use the Chinese population to rapidly transform the Communist China from a primarily agrarian economy by peasant farmers into a modern communist society through agriculturalization and industrialization, but failed disastrously (resulting in massive famine and the deaths of many millions of people).

Third-person singular simple present indicative form of leap through hoops

(colloquial) To get lost; to scram.

plural of non-leap year

(idiomatic) To think before taking action.

Alternative form of jump down someone's throat

simple past tense and past participle of look before one leaps

present participle of look before one leaps

Third-person singular simple present indicative form of look before one leaps

(cliché, idiomatic) (used imitatively) A cliché used to exaggerate an accomplishment or milestone.