However, after the ban that had continued about 100 years in Japan, even the translators in Nagasaki could not read and write Dutch, and under the circumstance in which only one mistake could lead to Seppuku (suicide by disembowelment), the translators were unenterprising about dissemination of western learning (they also thought western learning would diminish the value of translators.)
しかし禁令が布かれて百年あまりの日本では長崎で通詞をする人間も読み書きは出来ず、ひとたび失敗をすれば切腹させられかねない状況や、通詞としての価値を下げかねない蘭学の普及に積極的になることはなかった。