Try the reveal widget. Here's some example code from the documentation. Each section needs a different first parameter (!!Reveal1, !!Reveal2 etc.)
English Text Here <$button set="!!Reveal1" setTo="show">Show Translation</$button> <$button set="!!Reveal1" setTo="hide">Hide Translation</$button> <$reveal type="match" state="!!Reveal1" text="show"> Japanese translation here </$reveal> -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/tiddlywiki. For more options, visit https://groups.google.com/d/optout.

