to speak to someone as if they are less intelligent
相手を自分より頭が悪いと思って話す (aite o jibun yori atama ga warui to omotte hanasu)
"He always talks down to his coworkers, which is rude."
"彼はいつも同僚に対して見下したように話す。それは失礼だ。" (kare wa itsumo doryo ni taishite mikudashita you ni hanasu sore wa shitsurei da)
to depart for a destination
to be in a position of leadership or power
to be nervous, tense, or irritable
someone or something that brings happiness
to send a letter or message to express gratitude or apprecia...
a person who looks very healthy