to be open and honest in your actions
行動で正直で誠実であること (kodo de shojiki de seijitsu de aru koto)
"His dealings were always above board, and everyone trusted him."
"彼の取引はいつも正直で誠実で、皆が彼を信頼していた。" (kare no torihiki wa itsumo shojiki de seijitsu de minna ga kare o shinrai shiteita)
to work for many hours
to be full of great joy or excitement
to express gratitude or recognition
To be very successful or happy.
an issue used by politicians for their own advantage
to do extremely well on a test