[ 門禁森嚴 ] 係點解 ? [ 門禁森嚴 ] 用英文點樣寫

[ 門禁森嚴 ] 用英文點樣寫
Entrance is strictly restricted.
[ 門禁森嚴 ] 係點解 ?
祇有特許通行証持有人才准進入

For example以下例子:
Open sex club raises decency debate in S.Korea
Members
can openly have sex on premises. -Korea Herald

A new type of sex club in the Gangnam area is heating up debate on
sexual freedom in open spaces. A theme club which opened in a Gangnam
street last month is gaining popularity by allowing members to openly
have sex on the premises, said police officials yesterday.

The entrance is strictly restricted to couples who have received in
advance their adult age certification through the club's website.
Source:http://forums.vr-zone.com/chit-chatting/451090-open-sex-club-south-korea.html

Security is tight=[ 門禁森嚴 ] 英文

No unauthorised trespass!
Trespassers forbidden!