That is good when the input is known to be Japanese, but in this case the user m...

veidr on Aug 21, 2015 | parent | context | favorite | on: Show HN: Nihongo – Study Japanese using authentic ...

That is good when the input is known to be Japanese, but in this case the user might be inputting Japanese using the English keyboard, or might be inputting an English word to look it up in Japanese.