a crucial test that proves the value or success of something
何かの価値や成功を証明する重要なテスト (nanika no kachi ya seikou o shoumei suru juuyou na tesuto)
"The product launch will be the acid test of our new design."
"製品の発売は、私たちの新しいデザインの酸テストとなるでしょう。" (seihin no hatsubai wa, watashitachi no atarashī dezain no **san tesuto** to naru deshou)
a remedy for the aftereffects of drinking too much alcohol
to take on a lot of responsibility
to separate or end a relationship or marriage
to forget something accidentally
small adjustments to improve something
to tell something briefly
