don't worry about your English, we've seen worse.
why do you want girls from the street? you can try in Mong Kok or Yau Ma Tei or TST East at night. but it's a long way to Tsuen Wan back to your place. so you'll need to rent an hourly room somewhere. You can try some girls for overnight.
about whether people know you just banged a WG when you step out of the building....sure..there may be people who live there that suspect...or other punters will suspect you are a punter...but no one is going to gawk at you when you exit and grin...or give you the evil eye.... unless.....you leave with your fly open, big smirk on your face and lipstick on your cheek.
