to remain calm in a stressful situation
冷静を保つ (reisei o tamotsu)
"It’s important to keep cool even when things go wrong."
"物事がうまくいかなくても、冷静を保つことが重要です。" (Monogoto ga umaku ikanakute mo, reisei o tamotsu koto ga jūyōdesu.)
to continue doing something despite difficulties
to do something too much or with too much enthusiasm
to cook something quickly in hot oil or fat
to motivate and encourage yourself to keep going
to recover emotionally from pain or sadness
to return a purchased item for a refund or replacement