{% load wagtailcore_tags wagtailimages_tags i18n %}
<div class="article-preview">

  {% if article.image %}
  <a href="{% pageurl article %}" class="image">
    {% if square_image %}
      {% image article.image fill-160x160 %}
    {% else %}
      {% image article.image fill-320x240 %}
    {% endif %}

    {% if show_section_image and section.image %}
      {% image section.image width-40 as section_image %}
      <img src="{{ section_image.url }}" class="section-image icon-{{ section_image.get_effective_extra_style_hints }}" />
    {% endif %}
  </a>
  {% endif %}

  <div class="text">
    <div class="section-title">
      <a href="{% pageurl article.get_parent_section %}">{{ article.get_parent_section }}</a>
    </div>

    {% if article %}
        {% image article.get_parent_section.image width-40 as section_image %}
        <img src="{{ section_image.url }}" class="section-image icon-{{ section_image.get_effective_extra_style_hints }}" />
    {% endif %}

    <h3><a href="{% pageurl article %}">{{ article.title }}</a></h3>
    <p>{{ article.subtitle }}</p>
    <a class="read-more" href="{% pageurl article %}">{% trans "Read more" %}</a>
  </div>
</div>

{% load wagtailcore_tags wagtailimages_tags core_tags i18n %}
<div class="article-preview">

  {% if article.image %}
  <a href="{% pageurl article %}" class="image">
    {% if square_image %}
      {% image article.image fill-160x160 %}
    {% else %}
      {% image article.image fill-320x240 %}
    {% endif %}

    {% if show_section_image and section.image %}
      {% image section.image width-40 as section_image %}
      <img src="{{ section_image.url }}" class="section-image icon-{{ section_image.get_effective_extra_style_hints }}" />
    {% endif %}
  </a>
  {% endif %}

  <div class="text">
    <div class="section-title">
      {% get_translation article.get_parent_section as section %}
      <a href="{% pageurl section %}">{{ section }}</a>
    </div>

    {% if article %}
        {% image article.get_parent_section.image width-40 as section_image %}
        <img src="{{ section_image.url }}" class="section-image icon-{{ section_image.get_effective_extra_style_hints }}" />
    {% endif %}

    <h3><a href="{% pageurl article %}">{{ article.title }}</a></h3>
    <p>{{ article.subtitle }}</p>
    <a class="read-more" href="{% pageurl article %}">{% trans "Read more" %}</a>
  </div>
</div>

Use the get_translation template tag to get the translated page for get_parent_section
Use the get_translation template tag to get the translated page for get_parent_section
