n.
- 事情或情況共同發生（尤指產生危機的時期）
- （緊要）關頭
辨析
同義:
n.事態，局面
circumstances state of affairs set of conditions context environment total situation status quon.（事件的）同時發生
coincidence concurrence co-occurrence simultaneity contemporaneity coexistence concomitancen.危機時刻，緊要關頭
crisis crux crunch crossroads turning point crucial moment juncture critical juncture moment of truth zero hour同義參見:
occasion connection conjunction union