當然 Simplified: 当然 On the HSK 3 vocabulary list, at CEFR level B1. dāngrán ㄉㄤ ㄖㄢˊ only natural as it should be certainly of course without doubt Where 當然 is used Example sentences and grammar articles using 當然 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT