Please Say/Whisper the Words out Loud
Lesson 1 Just as we are not allowed to reveal that someone did something wrong, we are also not allowed to discuss peoples bad character traits i.e. strong temper, lazy nature, stinginess... For example "My grandmother was a very nervous mother because she experienced many hardships in her life"
Lesson 2 It is considered lashon hora to reveal that someone lost their temper, even if it is said as a "by the way" type of comment"... like "the secretary yelled at me for bothering my daughter..."