1. discuss: to talk about something with someone and tell each other "your" ideas and opinions
2. discuss: to talk about something with someone and tell each other "his" ideas and opinions
3. discuss: to talk about something with someone and tell each other "their" ideas and opinions
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The definition of 'discuss' is in #1. What about the others? Can't we use 'his' or 'their' instead of 'your'?
1 answer
"their" is inappropriate. "each (other)" is singular, "their" is plural. Either "your" or "his" is okay. "your" is the same, singular and plural, "his" is singular.