至关重要zhìguānzhòngyàoTop 15000Meanings1. extremely important2. vital3. crucial4. essentialCharacters used至arrive关to close重heavy要to ask forExamples2这zhè件jiàn事shì至关重要zhìguānzhòngyào。This is a matter of the utmost importance.摩天大厦mótiāndàshà里lǐ的de电梯diàntī是shì至关重要zhìguānzhòngyào的de。The elevators in a skyscraper are vital systems.