知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 SMART Vocabulary: connected terms and phrases Lacking issues bankrupt bankruptcy be tough up (for anything) idiom bereft Serious disease difficult up hour if it was not/weren't for phrase in somebody's hour of need to have idiom inappeasable minus scrape scrape the bottom on the barrel idiom https://thomasm642tfq5.losblogos.com/profile