mis·trans·late
| \ ˌmis-tran(t)s-ˈlāt
, -tranz-; -ˈtran(t)s-ˌlāt, -ˈtranz-\
mistranslated;
mistranslating
transitive verb
: to translate (something) incorrectly
I have often observed an inquiry by an American slightly mistranslated into Japanese and the Japanese answer then in turn mistranslated.— Edwin O. Reischauer