集中 On the HSK 3 vocabulary list, at CEFR level B1. jízhōng ㄐㄧˊ ㄓㄨㄥ to concentrate to centralize to focus centralized concentrated to put together Where 集中 is used Example sentences and grammar articles using 集中 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