安全[anzen] safety
安全域[anzeniki] safety margin
安全運転[anzenunten] safe driving
安全器[anzenki] safety device
安全期[anzenki] safe period

安全教育[anzenkyouiku] safety education
安全性[anzensei] safety
安全対策[anzentaisaku] safety measure
安全第一[anzendaiichi] safety first
安全地帯[anzenchitai] safety zone

と言う訳だ[toiuwakeda] this is why
意訳[iyaku] free translation
英訳[eiyaku] English translation
音訳[onyaku] transliteration
改訳[kaiyaku] retranslation

完訳[kanyaku] complete translation
監訳[kanyaku] supervisor of translation
機械翻訳[kikaihonyaku] machine translation
旧訳[kyuuyaku] old translation
共訳[kyouyaku] team-translation (e.g. carried out by more than one person)