如果是那样的话，如果那种情况发生
if that happens
There's a possibility of my flight being delayed. In that event I'll phone to let you know. 我乘坐的班机可能会晚点，如果是那样我会打电话通知你。
I was prescribed an anti-inflammatory that could potentially take care of my pain. In that event, I won't need the surgery.
There is a distinct possibility of the firm going bankrupt, and in that event, the family could lose everything.
He's worried he won't get another job. But in that event, we'll just have to economize.
Wilkins could be playing again by next month and in that event, the captaincy will revert to him.
See also: event