| 1 | 关键 | 關鍵 | guān jiàn | guan1 jian4 | crucial point; crux; Classifiers: 个 ; key; crucial; pivotal | | |
| 2 | 键 | 鍵 | jiàn | jian4 | key (on a piano or computer keyboard); button (on a mouse or other device); chemical bond; linchpin | | |
| 3 | 二硫键 | 二硫鍵 | èr liú jiàn | er4 liu2 jian4 | disulfide (chemistry) | | |
| 4 | 关键性 | 關鍵性 | guān jiàn xìng | guan1 jian4 xing4 | Critical | | |
| 5 | 左箭头键 | 左箭頭鍵 | zuǒ jiàn tóu jiàn | zuo3 jian4 tou2 jian4 | left arrow key (on keyboard) | | |
| 6 | 键盘乐器 | 鍵盤樂器 | jiàn pán yuè qì | jian4 pan2 yue4 qi4 | keyboard instrument (piano, organ etc) | | |
| 7 | 键盘侠 | 鍵盤俠 | jiàn pán xiá | jian4 pan2 xia2 | keyboard warrior | | |
| 8 | 键盘 | 鍵盤 | jiàn pán | jian4 pan2 | keyboard | | |
| 9 | 键帽 | 鍵帽 | jiàn mào | jian4 mao4 | keycap | | |
| 10 | 键词 | 鍵詞 | jiàn cí | jian4 ci2 | keyword | | |
| 11 | 键槽 | 鍵槽 | jiàn cáo | jian4 cao2 | key slot | | |
| 12 | 价键 | 價鍵 | jià jiàn | jia4 jian4 | valence bond (chemistry) | | |
| 13 | 回车键 | 回車鍵 | huí chē jiàn | hui2 che1 jian4 | carriage return | | |
| 14 | 化学键 | 化學鍵 | huà xué jiàn | hua4 xue2 jian4 | chemical bond | | |
| 15 | 关键字 | 關鍵字 | guān jiàn zì | guan1 jian4 zi4 | keyword | | |
| 16 | 按键 | 按鍵 | àn jiàn | an4 jian4 | button or key (on a device); keystroke; Classifiers: 个 ; to press a button | | |
| 17 | 关键时刻 | 關鍵時刻 | guān jiàn shí kè | guan1 jian4 shi2 ke4 | key moment; critical time | | |
| 18 | 关键绩效指标 | 關鍵績效指標 | guān jiàn jì xiào zhǐ biāo | guan1 jian4 ji4 xiao4 zhi3 biao1 | key performance indicator (KPI) | | |
| 19 | 关键词 | 關鍵詞 | guān jiàn cí | guan1 jian4 ci2 | keyword | | |
| 20 | 共价键 | 共價鍵 | gòng jià jiàn | gong4 jia4 jian4 | covalent bond (chemistry) | | |
| 21 | 钢琴键 | 鋼琴鍵 | gāng qín jiàn | gang1 qin2 jian4 | Piano keys | | |
| 22 | 方向键 | 方向鍵 | fāng xiàng jiàn | fang1 xiang4 jian4 | Arrow keys | | |
| 23 | 电键 | 電鍵 | diàn jiàn | dian4 jian4 | electric key; switch | | |
| 24 | 单键 | 單鍵 | dān jiàn | dan1 jian4 | single bond (chemistry) | | |
| 25 | 大键琴 | 大鍵琴 | dà jiàn qín | da4 jian4 qin2 | a harpsichord | | |