app/views/translations/_list_translations.html.erb
<table>
<th><%= I18n.t(:key ) %></th>
<th><%= I18n.t(:value ) %></th>
<% @translations.keys.sort.each do |key| %>
<tr>
<td> <%= text_field_tag '', key %> </td>
<td> <%= text_field_tag "translations[#{key}][]", @translations[key] %> </td>
</tr>
<% end %>
</table>