to follow a plan strictly without giving up
計画を厳格に守り、諦めない (keikaku o genkaku ni mamori, akiramenai)
"If you stick to a plan, you’ll achieve your goals faster."
"もし計画を守れば、目標を早く達成できます。" (moshi keikaku o mamoreba, mokuhyō o hayaku tassei dekimasu.)
to maintain communication with someone
to make sure you have enough time to do something in the fut...
to wear special or formal clothes for an event
to lose focus while doing or listening to something
to allow someone to know your true thoughts or feelings
to develop something centered on particular ideas or concept...