| xì | be/connection/relation/tie up/bind |
| xì | be/system/to tie/department/faculty |
| xì | connect/to tie |
| 系 | to connect to relate to to tie up |
| 系上 | to tie on to buckle up to fasten |
| 系上安全带 | to fasten the seatbelt |
| 系主任 | chairman of department dean CL:位 |
| 系列 | series |
| 系列剧 | A form of drama with at least three chapters, several fixed roles appearing all through the drama. Each chapter is independent, while having relations with other chapters that are uniform in form and style. |
| 系列化 | seriation; serialization |
| 系列小说 | novel series |
| 系列放大器 | series amplifier |
| 系列片 | film series |
| 系囚 | to be imprisoned |
| 系带 | chalaza; lacing; frenum; lace; habenula; ligament; vinculum; bridle; frenulum; habena; fraenum |
| 系念 | be anxious about; worry about |
| 系恋 | be reluctant to leave; can't bear to part |
| 系数 | coefficient factor modulus |
| 系木 | accouplement; bond timber; chain timber; chain timbers |
| 系梁 | joining beam; straining tie; collarbeam; tie beam; collar beam; yoke; straining beam; spring beam |
| 系泊 | to moor |
| 系泊浮筒 | mooring buoy; archorage buoy |
| 系狱 | to imprison; to be imprisoned |