李華和Larry正在商量去野營的事。今天李華會學到兩個常用語:cold feet和do a number。LL: Hey Li Hua, are you ready for that camping trip this weekend?LH: 這個週末去野營的事呀? 嗯… 我還沒一定是不是能跟你們一起去…LL: What? Don't tell me you're getting cold feet! You told me last week you wanted to come along!