to enter or climb onto a vehicle like a bus, train, or plane
乗り込む (norikomu)
"We quickly got on board before the train left the station."
"私たちは列車が駅を出発する前に素早く乗り込みました。" (watashitachi wa ressha ga eki o shuppatsu suru mae ni subayaku norikomi mashita)
to make sure someone is safe or doing well
to establish a successful position or niche
to include a file or document with an email
to pay money, especially when you don’t want to
to prepare or adjust an instrument for better performance
to reduce or reverse a policy or program