TokiTranslate/app/views/application/_partsofspeech.html.erb

<h1>Parts of Speech</h1>

<table>
  <tr>
    <td><b>Part of Speech</b></td>
    <td><b>Definition</b></td>
    <% unless current_user.blank? %>
      <td><b>Translation</b></td>
    <% end %>
  </tr>
<% parts_of_speech.each do |item| %>
  <tr>
    <td><b><%= item.pos %></b></td>
    <td><%= item.definition %></td>
    <% unless current_user.blank? %>
        <td><%= item.translations.first.definition %></td>
    <% end %>
  </tr>
<% end %>
</table>