very stupid or slow-witted
非常愚かで鈍い (hijō oroka de nibui)
"He’s as thick as two short planks, bless him."
"彼は二枚の短い板のように愚かです、神の祝福を。" (kare wa **nimai no mijikai ita no yō ni oroka** desu, kami no shukufuku o.)
to have a casual conversation about unimportant topics
kept secret or very confidential
a risky or uncertain situation where the outcome is doubtful
to be able to think of interesting and unusual ideas
to record information on paper
To try to solve a problem by spending a lot of money instead...