【帽子相关表达】
old hat 陈腐过时的
as mad as a hatter 疯狂地，大发雷霆
at the drop of a hat 脾气一触即发
hat in hand 毕恭毕敬地，恳求地
to wear two hats at a time 身兼两职
to pass the hat 募捐
to take one's hat off 致敬、钦佩
to throw your hat into the ring 欣然迎战，接受挑战
old hat 陈腐过时的
as mad as a hatter 疯狂地，大发雷霆
at the drop of a hat 脾气一触即发
hat in hand 毕恭毕敬地，恳求地
to wear two hats at a time 身兼两职
to pass the hat 募捐
to take one's hat off 致敬、钦佩
to throw your hat into the ring 欣然迎战，接受挑战
~来源于新浪微博 @轻松背单词QSBDC
英语词汇量测试 http://test.qsbdc.com/
