Launchpad currently recommends translating nautilus in Ubuntu Cosmic.

Template "nautilus" in Ubuntu Cosmic package "nautilus"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 1119 1119 0 0
Dakota 100.00  100.0% untranslated 1119 1119 0 0
Hawaiian 100.00  100.0% untranslated 1119 1119 0 0
Inuktitut 100.00  100.0% untranslated 1119 1119 0 0
Lakota 100.00  100.0% untranslated 1119 1119 0 0
Ojibwe 100.00  100.0% untranslated 1119 1119 0 0
Spanish 000.00  100.0% translated 0 0 127 127 2018-09-03 18:36:13 UTC 2018-09-03 Daniel Mustieles
Tlingit 100.00  100.0% untranslated 1119 1119 0 0
Yiddish 098.57  1.42984807864% translated  98.5701519214% untranslated 1103 1103 0 0 2018-09-03 17:37:30 UTC 2018-09-03 Raphael Finkel
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Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of nautilus in Ubuntu