When dragon trips Mr. Chan, the lamp that he uses to trip him with clearly bends.
When Jackie Chan's character is being chased down an alley and escapes into a door, only to reappear in the alley once the guards have gone into the same door, you can tell a cut was made. Items in the background such as a cloth flapping in the wind move in a manner which indicates an obvious jump cut.
The clock tower fall was shown twice, but each used a different take.