to keep one's plans or ideas secret
自分の計画やアイデアを秘密にする (jibun no keikaku ya aidea o himitsu ni suru)
"He always plays his cards close to his chest in business."
"彼は常にビジネスでカードを胸に近づけてプレイする" (kare wa jōni bijinesu de **kādo o mune ni chikadzu kute purei suru**)
using machine learning algorithms to solve complex problems...
a harmless or small lie told to avoid hurting someone
to understand the situation
a brief encounter or experience with a famous person
to transfer responsibility or control to someone else
when the meaning is lost or changed in translation or commun...
