English as a second language; ESL; TESOL ; Translation (in language teaching) ; Wortschatz (Sprachunterricht) ; Lernwortschatz; Vocabulary teaching ; BNC ; Übersetzungsfehler; Translation error; Error analysis (translation) ; Example (in dictionaries) ; Wörterbuchvergleich; Evaluation criterion (lexicography) ; Grammatical information (in dictionaries) ; Semantic information (in dictionaries) ; Learner's dictionary ; Colligation; Collocation ; English ; Portuguese