occurrence
US
UK occurrence n: (single time)
SC 发生的事情 fā shēng de shì qíng
SC 事件 fā shēng de shì qíng，shì jiàn
TC 事件
TC 事件
There was an occurrence of bad behaviour, but Peter's school report is generally good.
虽然曾有不良行为发生，但彼得的学业汇报大体良好。
occurrence n: (happening)
SC 发生 fā shēng
TC 發生
TC 發生
SC 出现 fā shēng，chū xiàn
TC 出現
TC 出現
There have been some strange occurrences at the castle; some people think it's haunted.
近来城堡中有许多怪事发生，有的人认为是闹鬼。
co-occurrence n: (happen at same time)
SC 同时出现 tóng shí chū xiàn
SC 共现
nonoccurrence, non-occurrence n: (failure to happen)
SC 未发生 wèi fā shēng
TC 未發生
TC 未發生
SC 不发生 wèi fā shēng，bù fā shēng