No sex or nudity.

Two men strip down to their underwear to swim in the sea.

Some man gets accidentally burned by a cigarette. It's nothing serious.

Man is shown having bruised face and some blood on it after being beaten up by debt collectors.

The protagonist is shown unsuccessfully attempting to commit suicide by ingesting pills, hanging, suffocation, slashing his veins and gas poisoning.

Mandarin Chinese equivalents of words "ass", "fuck" and "scum".

A man at police station appears to be drunk.

One of the supporting characters is a heavy cigarette smoker.

No drug abuse.