Anyway, this trailer wasn't meant for public showing, so who knows how long it will remain available? Watch it quick.
At any rate, you will see the giant robot cop in action:
This is an English version -- not so much dubbed as audibly translated. If you want, you can watch the Chinese version on Twitch.
Recently, director Jeffrey Lau "unveiled" the giant robot at a press conference:
When I first saw the conceptual artwork I thought it looked rather awkward and, well, unlikely. But I must say I'm more convinced after seeing it in action.