/ˈkraɪsɪs ||; ˈkraɪsɪs/noun [C,U] (plural crises /-si:z ||; -siz/) a time of great danger or difficulty; the moment when things change and either improve or get worse 危机；紧要关头；转折点: the international crisis caused by the invasion 由这次入侵导致的国际危机a friend you can rely on in times of crisis 在危急时刻可以依赖的朋友