high and dry让某人陷入困境 hit the hay去睡觉 be hot and bothered焦虑,不安 have one's hands full很忙 have cold feet紧张 a piece of cake容易做的事(不费吹灰之力) as fit as a fiddle非常健康 a big appetite胃口很好 an adventurous eater大胆的食客 bring home the bacon挣钱养家 bite off more than you can chew贪多而吃不下(尤指接下过多工作而完不成) burn the midnight oil熬夜 be kept in the dark被蒙在鼓里 behind the times过时了,落伍了,不时髦 bump into偶然碰到,撞见 burn the candle at both ends非常忙碌,过度疲劳 cry over spilt milk覆水难收