Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; Methodology ; Unhöflichkeit; Impoliteness; Rudeness; Politeness (style of speech) ; Pragmatische Kompetenz; Pragmatic competence; Communicative competence ; Pragmatics, contrastive; Pragmatik, kontrastive; Contrastive pragmatics ; Griechisch; Greek (modern) ; Modern Greek ; German ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English ; French ; Spanish ; Polish ; Russian ; Euskara; Basque ; Mandarin; Kantonesisch; Cantonese; Putonghua; Sinitic; Hakka; Yue; Chinese ; Turkish
