to relax after a stressful or dangerous situation
ストレスの多いまたは危険な状況からリラックスする (sutoresu no ooi matawa kiken na joukyou kara rirakkusu suru)
"After the pollution control laws were enforced, people could finally breathe easy."
"汚染防止法が施行された後、人々はついにほっと一息つくことができました。" (osen boushi hou ga shikou sareta ato, hitobito wa tsuini **hotto hitoiki tsuku** koto ga dekimashita.)
exactly as instructed
to be so worried or stressed that you don’t know what to do
to officially charge someone with a crime
to make sure the team remains focused and organized
to improve an existing product or idea
to get into an argument or fight