to spend less money than you earn
稼いだお金よりも少ないお金を使う (kaseida okane yori mo sukunai okane o tsukau)
"One key to financial freedom is to live below your means consistently."
"経済的自由への鍵は、一貫して生活費を下回る生活をすることです。" (keizaiteki jiyū e no kagi wa, ikkan shite **seikatsu-hi o shita mawaru seikatsu** o suru koto desu.)
to recover from difficulties and move ahead with improvement
to use up energy or fat by exercising
to be powered by a particular source of energy
to return to a topic once something else has finished
to begin a creative process or project using a certain idea...
to keep your attention on the goal without distractions