►含義:to be very excited or nervous about something anticipated對於你所期待的事情感到十分興奮或緊張。►例句:He waited for her arrival with his heart in his mouth.他焦急地等待她的到來。►對話:A:You sure don't seem relaxed. In fact, it seems like your heart is in your mouth.你看上去似乎很緊張,似乎心提到嗓子眼了。B:Tell me about it. It’s my very first time in my entire life.可不是嘛,這是我這輩子第一次。►額外收穫:1.arrival: n.到來2.tell me about it:可不是嘛