to talk confidently and convincingly
自信を持って説得力を持って話す (jishin o motte settokuryoku o motte hanasu)
"He spoke with assurance during his presentation."
"彼はプレゼンテーション中に自信を持って話しました。" (kare wa purezentēshon-chū ni jishin o motte hanashimashita)
to divide a project into smaller parts or stages
to assemble or create something by organizing parts
to cause protests or demonstrations to begin
to include or involve someone in a team or project
to ask people how they are feeling about work
to arrange something temporarily
