a true and final test of success
成功の真の最終試験 (seikou no shin no saishuu shiken)
"The real market will be the acid test for this invention."
"本当の市場がこの発明のためのアシッドテストとなるでしょう。" (hontou no shijou ga kono hatsumei no tame no **ashiddo tesuto** to naru deshou)
Continue trying even when it’s hard.
to solve small problems or differences
The family holds the most important place in one's life and...
to gossip or reveal secrets, often to get someone in trouble
to achieve the highest position or level in something
to set a limit or boundary
