So 'passed' p a double s e d, as in 'I passed him by on the street' or 'past' as in 'it's past my bedtime' or 'I'm looking into the past' p a s t.

Passed，p，a，s，s，e，d，例如“I passed him by on the street”，或 past，例如“it's past my bedtime”，“I'm looking into the past”，p，a，s，t。