transmission, a gearbox (a mechanical assembly of gears that changes the torque and speed of shaft rotations)

ご馳走様でした: it was delicious (a stock phrase required by the Japanese etiquette, lit.: it was a feast)

it was delicious

送信: sending (by electric signal, etc.) / 痩身: skinny / 喪心, 喪神: absent-mindedness

送信: send electronically / 喪心, 喪神: be stupefied

荘重: solemn

早朝: early morning / 曹長: sergeant-major / 総長: chief, principal / 荘重: solemnity

着想: idea, conception / 着装: putting on, fixing

創作: literary creation, a newly created thing, a lie / 捜索: search, investigation

創作: produce, compose, create / 捜索: search, investigate