to refuse to give information or something to someone
誰かに情報や物を渡すのを拒否する (dareka ni jōhō ya mono o watasu no o kyohi suru)
"He’s holding out on me about the project details."
"彼は私にプロジェクトの詳細を隠しています。" (kare wa watashi ni purojekuto no shōsai o kakushite imasu)
to overcome failure and continue striving towards goals
to force yourself to do something that is emotionally diffic...
to end a message, email, or broadcast
to get clear responses to specific questions
to lose focus or stop paying attention
to contact someone to express appreciation