enter [reach] harbor
入港する
enter into a bond with ...
…と盟約を結ぶ
enter into an agreement with ...
…と提携する
enter into [drop] correspondence with a person
文通を始める[絶つ]
enter into [open, start] negotiations with ...
…と交渉を開始する
enter into politics
政治の世界に入る
enter [get] into the spirit of the occasion
場の雰囲気に溶け込む
enter [go into] journalism
報道業界に入る
enter medicine [politics]
医者になる[政界に入る]
enter negotiations
交渉を始める