preparedness; readiness; mental attitude; frame of mind
心構えが大事だと教わった。
I was taught that mental preparedness is important.
面接に向けて心構えを整えた。
I readied my mental attitude for the interview.
何事にも心構えをしっかり持つことが成功の鍵だ。
Having a solid mental attitude for anything is the key to success.