究竟 On the HSK 4 vocabulary list, at CEFR level B2. jiūjìng ㄐㄧㄡ ㄐㄧㄥˋ to go to the bottom of a matter after all when all is said and done (in an interrogative sentence) finally outcome result Where 究竟 is used Example sentences and grammar articles using 究竟 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