Chidziva chakadzikama ndicho chinogara ngwena.

Zvinorehwa

Munhu kana chinhu chinoratidzika chakadzikama zvinogona kunge chine njodzi kana chinhu chikuru chakavanzika mukati.

What it means

Still waters run deep; a calm exterior can conceal something dangerous or significant.

Word for word

It is the calm pool that harbours the crocodile.