to introduce or begin something gradually over time
時間をかけて何かを段階的に始めるまたは導入する (jikan wo kakete nanika wo dankai-teki ni hajimeru matawa dōnyū suru)
"The company plans to phase into a new training system for employees."
"会社は従業員のために新しい研修システムを段階的に導入する予定です。" (Kaisha wa jūgyōin no tame ni **feizu into** atarashī kenshū shisutemu wo dankai-teki ni dōnyū suru yotei desu.)
to continue doing something with energy and effort
to act friendly and emotionally available with people nearby
to read something quickly
to include everyone in a decision or project
to let intense feelings settle before responding
to say sorry for something you did