Originally Posted by Despos
The baggy trouser can be altered by tapering. This helps more than you might think. If the trouser is very very long and needs to a lot of cloth cut off when hemming, the knee position is too low and the proportion and shape are off. This can be adjusted and corrected by tapering, but use a tailor with a good sense of proportion. Shouldn't break the bank.
This is excellent advice, and often overlooked. The difference can be shocking. (I'm not short but I'm thin.) I bought one pair of trousers thinking they fit well enough, but found myself rarely wearing them. After I took them in for tapering, they became one of my favorites.