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)
to become aware or informed about something
a friendly way to greet someone you know
a small sign of improvement or success in a difficult situat...
to feel deep sadness or sorrow
being very careful not to upset someone
to have a strong feeling or intuition about something
