to waste more money on something that has already failed
すでに失敗したことにさらにお金を無駄に使う (sudeni shippai shita koto ni sarani okane o mudani tsukau)
"Don’t throw good money after bad on that failing project."
"その失敗したプロジェクトにさらにお金を注ぎ込まないで。" (sono shippai shita purojekuto ni sarani okane o sosogikomanai de)
very pleased or delighted
to delay doing something
the most lively and entertaining person at a party
to be in charge or control of a situation or organization
used to say that something is unlikely to happen
to continue doing something despite difficulties