Definition
to be determined by chance, with outcomes beyond one's control.
命中注定
Which research group you are assigned to is just the luck of the draw; you don't get to choose.
你被分配到哪个研究小组完全取决于运气，你无法选择。
Whether you succeed in the job interview sometimes depends on the mood of the interviewer; that's just the luck of the draw.
你能否在面试中成功有时取决于面试官的心情，这只是运气的问题。
The draw for the competition wasn't favorable, but it was just the luck of the draw.
比赛的抽签结果并不理想，但这只是运气的问题。