to build or start something completely from the beginning
最初から完全に何かを構築または始めること (saisho kara kanzen ni nanika o kochiku mata wa hajimeru koto)
"The software was built from the ground up using new code."
"そのソフトウェアは新しいコードを使用して最初から構築されました。" (sono sofutowea wa atarashii kodo o shiyou shite saisho kara kochiku saremashita)
to misunderstand a situation or statement completely
to be at the forefront of an action or movement
to become very excited or angry
not special or interesting
unable to think clearly; mentally exhausted
to ignore a problem hoping it will go away
