You'd never hesitate to say "I have a doctor's appointment," so don't be embarassed to say, "I can't talk to you now, I'm in the studio all morning.
毫无疑问，你会说：“我约了医生。”所以不要觉得尴尬地说:“我现在不能跟你说，我整天在工作室。”
3
Embarassed over having let herself be caught on the verge of such a untruth, she coughed two or three times, in order to put the little prince in the wrong.