completely secured or protected
完全に保護された (kanzen ni hogo sareta)
"All confidential data is kept under lock and key."
"すべての機密データは厳重に保管されています。" (subete no kimitsu deta wa genju ni hokan sareteimasu)
to speak to someone as if they are less intelligent
Someone who acts as if they know everything.
in good times and bad times
directly from the original or reliable source
a sudden arrival or overwhelming presence of something unfam...
used when you meet someone after a long time