"jdm etw testieren" in English jdm. etw. testieren {v.t.} to certify sth. for sb. to testify sth. for sb. Detailed translations for "jdm etw testieren" jdm. etw. testieren{transitive verb} jdm. etw. testieren to certify sth. for sb. jdm. etw. testieren to testify sth. for sb.