translation.en: So, for example, if I was angry and had to hide it, which I often did, being very adept at concealing how I really felt, then the voice would sound frustrated.
translation.zh: 就拿我常需要压抑愤怒这事来说吧! 隐藏情绪这事我很在行的 不过那声音就会因此听起来很气馁