to not show or tell others about your emotions
自分の感情を他の人に見せたり話したりしないこと (jibun no kanjou o hoka no hito ni misetari hanashitari shinai koto)
"He tends to keep his feelings inside instead of talking about them."
"彼は自分の感情を内に秘めたまま、話すことはありません。" (kare wa jibun no kanjou o **uchi ni himeta mama**, hanasu koto wa arimasen)
to demand people to do something to solve a problem
to use team feedback to improve or develop something
to lower the total amount of money spent
to use existing success as a foundation for future growth
to say something suddenly without thinking, often because of...
to try hard to get something done or accepted
