place name, noun, expression · old, previous, or from the past

阔别多年后故地重游，他感到格外亲切。

noun, verb · to pass away or be deceased (typically of people)

那位德高望重的老教授已于去年年底病故。

verb, adverb · done on purpose; deliberate

他这么做绝对是故意的。

adverb · a cause, motive, or reason

他因故缺席了昨晚的重要会议。

conjunction · consequently; hence; for this reason

天气恶劣，故比赛取消了。

noun · an occurrence, happening, or accident

为了防止发生变故，我们要做好多手准备。