(55) Go to the dentist 看牙醫

A: What time is the best time to go to the dentist?
    哪時候去看牙醫最好？
B: I don’t know.
    我不曉得。
A: When your teeth are clean and you haven’t eaten any candy.
    就是你的牙齒很乾淨而且沒有吃糖的時候。
B: I guess you must never go to the dentist.
    我猜你一定沒有去看過牙醫。