I suggest adding a random sentence without translations as the last sentence in the "Latest contribution" - like this:
2 minutes ago | Sentence #3688268 added by tom0483
| <eng> Do you speak English?
2 minutes ago | Sentence #3688267 added by tom0483
| <eng> I have a book.
1 year ago | Random sentence #2836571 added by alexmarcelo
| <lat> Equus tantum aquam puram bibit.