"Pros and cons" is when someone (or several people) list positive and negative attributes of something. "For and against" would be used when some people argue the positives, and some argue the negatives.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
moon7296It seems people don't use pros and cons in casual conversation, does it?Actually, you can ask What are the pros and cons of standing in a long line to buy a beer?
Do you rather say there's 'for and against' when talking about a light topic?: for example, standing in a long line to buy a beer?