实用英语第246天: 1276 Have some decency.正经点 1277 Not necessarily.不见得 1278 I'll take a rain check.改天吧 1280 What a paser.真是耍大牌 1281 What a nerd.书呆子 1282 You don39;t know the half of it.你懂什么 1283 Same difference.半斤八两 1284 What nerve.脸皮真厚