| 偷偷 | tōu tōu | stealthily; secretly; covertly; furtively; on the sly |
| 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 |
| 用户 | yòng hù | user; consumer; subscriber; customer |
| 最多 | zuì duō | at most; maximum; greatest (amount); maximal |
| 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] | |
| 黑客 | hēi kè | hacker (computing) (loanword) |
| 美 | měi | beautiful; very satisfactory; good; to beautify; to be pleased with oneself |
| Měi | the Americas; abbr. for 美洲[Mei3 zhou1]; USA; abbr. for 美國|美国[Mei3 guo2] | |
| 团 | tuán | round; lump; ball; to roll into a ball; to gather; regiment; group; society; classifier for a lump or a soft mass: wad (of paper), ball (of wool), cloud (of smoke) |
| tuán | dumpling | |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |