You bet. 当然。
用法透视
表示“肯定地；没问题；当然”等意思，除了"certainly; of course"，"you bet"在口语中更常见。
支持范例
1. Will you tell her? You bet (I will).
你会告诉她吗？当然会。
2. She'll probably insist on having the very last penny that is due to her--you bet she will.
她很可能会坚持要求属于她的每一分钱——她肯定会。
3. Can you do it? You bet.
这件事你能干吗？当然行！
会话记忆
A: Excuse me. May I use the phone first?
对不起，能让我先用一下电话吗？
B: Are you in a hurry?
你很着急吗？
A: You bet. I was supposed to call my mother an hour ago.
没错。我应该一个小时前打电话给我母亲的。
B: In that case, here, you go first.
既然这样，喏，你先用吧。
更多信息请查看入门口语