1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Verbs Nouns Adjectives/Adverbs Pronouns Prepositions Conjunctions
sich beschweren (Advanced search)

complain {v} (to express feelings of pain, dissatisfaction, or resentment) complain {v} (to make a formal accusation or bring a formal charge)