to begin or participate in an agreement or discussion
契約や議論に参加する、または始める (keiyaku ya giron ni sanka suru, matawa hajimeru)
"The two countries agreed to enter into a new trade deal."
"二国は新しい貿易協定に入ることに同意しました。" (Nikoku wa atarashī bōeki kyōtei ni **hairu** koto ni dōi shimashita.)
to increase production capacity significantly
to make efforts to achieve a particular goal
to give someone money to make them leave or stop working for...
to begin increasing again after a slowdown
to spend time improving or developing something
to understand or solve something
