1to arrive at (place or time)
2period
3to become due
4classifier for events, meetings, elections, sporting fixtures, years (of graduation)
Example
zài在shàng上yī一jiè届shì jiè bēi世界杯shàng上，xīn新xī西lán兰zài在bǐ sài比赛zhōng中bèi被mò墨xī西gē哥táo tài淘汰。
在上一届世界杯上，新西兰在比赛中被墨西哥淘汰。
In the last World Cup, New Zealand was knocked out of the competition by Mexico.