to finish preparations or close something securely
完成准备工作或安全地关闭某物 (wánchéng zhǔnbèi gōngzuò huò ānquán dì guānbì mǒuwù)
"Let’s button up the proposal by Friday."
"让我们在周五前button up提案。" (Ràng wǒmen zài zhōuwǔ qián button up tí'àn)
A strong and reliable base or starting point.
in very good health
a change in one’s opinion or feelings
a sudden opportunity or good fortune
to postpone discussion of something
succeeding after two failures
