看看下面这些英语习语或格言,试着说出它们的中文意思。 ①go Dutch _______________________________________________ ②black case work _______________________________________________ ③put on airs _______________________________________________ ④I'll eat my hat. _______________________________________________ ⑤given cold shoulder _______________________________________________ ⑥dog packs _______________________________________________ ⑦as poor as a church mouse _______________________________________________ ⑧Every dog has his day. _______________________________________________