大事因缘 (大事因緣) dàshì yīnyuán

dàshì yīnyuán set phrase the causes and conditions of a great event
Domain: Buddhism 佛教
Notes: A great event, such as the Buddha's apearance in the world (Ding '大事因緣'; Ding '一大事因緣')

Also contained in

一大事因缘