to memorize something perfectly
暗記する (anki suru)
"He learned the poem by heart for the recital."
"彼は発表のためにその詩を暗記しました。" (Kare wa happyo no tame ni sono shi o anki shimashita)
to find a practical solution that avoids a problem
to be in a position of control or leadership
To focus on the positive aspects of a situation.
To live or do something with very little money.
an easy or unoriginal fix; a copied approach
to try your best or use all your energy