to argue about small or unimportant details
些細なことや重要でないことを議論する (shasai na koto ya jūyō de nai koto o giron suru)
"Stop splitting hairs and focus on the main issue."
"些細なことを議論するのはやめて、主要な問題に集中してください。" (Shasai na koto o giron suru no wa yamete, shuyō na mondai ni shūchū shite kudasai)
to deal with your fears or bad memories courageously
a cyberattack that occurs before a vulnerability is patched
To narrowly escape or achieve something by a very small marg...
used to say that everything is fine or there is no problem
to have a complaint or disagreement with someone
to ask someone to marry you