to tell someone angrily what you think
怒って相手に自分の考えを言う (okotte aite ni jibun no kangae o iu)
"She gave him a piece of her mind for being rude."
"彼が失礼だったので、彼女は怒って意見を言った。" (kare ga shitsurei datta node kanojo wa okotte iken o itta)
to say exactly what one thinks
a feeling of nervous excitement or anxiety
very quickly; almost immediately
feeling positive and in control of your life
to have positive feelings about who you are or what you do
to learn or become skilled at something new