うっかり の訳語→ absentmindedly accidentally careless carelessly fear heedlessly inadvertent inadvertently injudiciously let nearly thoughtlessly uncertainly unguardedly unintentional unthinkingly venture
間違い の訳語→ blob doubt error falsehood inaccuracy misconception mistake problematic question wrong
偶然 の訳語→ chance coincidence fluke fortuitously happenstance hazard pat
災難 の訳語→ disturbing fatality ordeal plague pratfall
事故 の訳語→ crash incident occurrence thing wreck
出来事 の訳語→ account business consequence episode matter sitting what