关
键
About
The word "关键" is formed by combining the character "关", meaning bolt or latch, with "键", meaning key or metal bolt; together they literally refer to the bolt and key of a door, and this concrete meaning has been extended metaphorically to denote the crucial or pivotal point of something.
Example Sentences Hide
学习很关键。
找到关键点很重要。
在关键时刻,他保持了冷静。
解决这个问题的关键是耐心和坚持。
掌握关键技术对于国家的发展至关重要。