独断どくだん (dokudan)

彼かれは何なんでも独断どくだんで決きめてしまいます

He decides everything by himself.

その際、直義が独断で護良親王を殺した。

In the rebellion, Tadayoshi killed Prince Morinaga without permission.

君の考えはややもすると独断になりがちだ.

You tend to rely on your own discretion too much.

戦後毛利輝元に預けられ、輝元の独断で処刑されている。

He was placed with Terumoto MORI after the battle and executed by Terumoto's discretion.

しかし、副使の大伴古麻呂が独断で鑑真を自身の船に乗せた。

However, OTOMO no Komaro, vice-commander, boarded Ganjin on his ship at his own decision.

この進言に基づき山口少佐が独断により佐藤特務曹長の言を採用した。

On receiving this news, Major Yamaguchi adopted Sergeant Major Sato's offer on his own authority.

戸次川の戦いで独断専行により、島津軍に大敗を喫したことで有名である。

He was notorious for being totally defeated by Shimazu's army in the Battle of Hetsugi-gawa River because of his arbitrary decision and execution.

だが、次第に独断専行が見せ始めたために朝廷における信望を失っていった。

However, since he started to make independent decisions on his own the Imperial Court began to lose their trust in him.

翌643年（皇極天皇2年）の10月6日には父から独断で大臣を譲られる。

On October 6 of AD 643 (the next year), the post of minister was transferred by his father out of his arbitrary decision.

静は弁慶の独断かと疑っていたことをわび、弁慶も義経と静の別れにもらい泣きをする。

Shizuka apologizes for having suspected that the suggestion had come from Benkei, and Benkei himself sheds tears of sympathy at the impending separation of Yoshitsune and Shizuka.

マシュー・ペリー来航に伴う対応について、幕府は独断では処理できず、朝廷に報告を行った。

As for the visit of the Matthew PERRY's fleet, the bakufu could not correspond on their own, and reported it to the Imperial Court.