| 私密 | sī mì | private; secret; intimate |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 某人 | mǒu rén | someone; a certain person; some people; I (self-address after one's surname) |
| 行为 | xíng wéi | action; conduct; behavior; activity |
| 轨迹 | guǐ jì | locus; orbit; trajectory; track |
| 速度 | sù dù | speed; rate; velocity; (music) tempo; CL:個|个[ge4] |
| 最 | zuì | old variant of 最[zui4] |
| zuì | variant of 最[zui4] | |
| zuì | most; the most; -est (superlative suffix) | |
| 快 | kuài | rapid; quick; speed; rate; soon; almost; to make haste; clever; sharp (of knives or wits); forthright; plainspoken; gratified; pleased; pleasant |
| 的 | de | of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis) |
| dí | really and truly | |
| dì | aim; clear | |
| dī | see 的士[di1 shi4] | |
| 免费 | miǎn fèi | free (of charge) |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 暗 | àn | dark; gloomy; hidden; secret; muddled; obscure; in the dark |
| àn | variant of 暗[an4] | |
| àn | to close (a door); to eclipse; muddled; stupid; ignorant; variant of 暗[an4] | |
| 网 | wǎng | net; network |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |