I'm not in the habit of doing somethingspokenOFFEND used when you are annoyed, to say that you would not do something 我没有做某事的习惯〔用于恼怒时〕 I’m not in the habit of lying to my friends. 我没有对朋友撒谎的习惯。
I’m not in the habit of doing something• I'm not in the habit of lying to my friends.
→ I’m not in the habit of doing something at habit(2)