系 On the HSK 3 vocabulary list, at CEFR level B1. xì ㄒㄧˋ 係 to connect 係 to relate to 係 to tie up 係 to bind 係 to be (literary) 系 system 系 department 系 faculty 繫 to connect 繫 to arrest 繫 to worry jì ㄐㄧˋ 繫 to tie 繫 to fasten 繫 to button up Where 系 is used Example sentences and grammar articles using 系 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