直訳（ちょくやく）: literal translation, translation of words by words without considering any connotation nor context 直訳恐るべし means "Literal translation should not be taken lightly." Literal translation may not be wrong, but often fails to convey the original meaning. Sometimes the result just sounds awkward and/or funny. Sometimes it might work.

直訳恐るべし - the direct meaning about something terrible