sink to such depths

to behave very badly I find it hard to believe that human beings could sink to such depths.

Name	Pronounced	Usage
Herberto	er-BER-to (Spanish)	Spanish, Portuguese
Ananth	-	Tamil, Indian, Telugu, Kannada
Ihar	EE-khahr	Belarusian
Zaharina	-	Bulgarian, Macedonian
ŠTĚPÁN	-	Czech
Jephtha	JEF-thə (English)	Biblical