to be firm and tough in negotiation
交渉で強硬で堅実であること (koushou de kyoukou de kenjitsu de aru koto)
"He decided to play hardball during the contract talks."
"彼は契約交渉の際に強硬な姿勢で臨むことに決めた。" (Kare wa keiyaku koushou no sai ni **kyoukou na shisei de nozomu** koto ni kimeta.)
to try something out before committing fully
to gradually become more confident
the final problem that makes a situation unbearable
to remove things to tidy a space
a very kind and generous person
no longer involved or relevant
