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.
Misalnya, jika saya marah dan harus menutupinya, yang memang sering saya lakukan, karena saya sangat mahir menyembunyikan perasaan, maka suara itu akan terdengar gusar.