to be in charge of or control something
何かを管理または制御すること (nanika o kanri mata wa seigyo suru koto)
"He was at the helm of the company when it became successful."
"彼は会社が成功したときに舵取りをしていました。" (Kare wa kaisha ga seikou shita toki ni **kadatori** o shite imashita.)
to engage in the hard or unpleasant work of a task
something very easy to do
to celebrate the start of a new year
extremely tired or annoyed by something
an extraordinary or exceptional experience
to suddenly become very angry or lose control