英文檢點係咩??

話人生活不檢點英文係咩
He is not living in proper behave. or: he is not behaving all the time.
檢點 = behave. However, this usually using in a single case only.
例: Behave yourself please, don't argue with your parents about everything.

lives in a flirting life.

話人生活不檢點英文係咩
He is not behaved in his lifestyle.
檢點 = behave

In fact, the most appropriate answer will depend on the situation.
In general, you may say
(You are not behaving yourself)
;)

2008-05-01 08:15:49 補充：
The answer:
He is not living in proper behave.
does not look like English in daily live. Righ?