| 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 |
| 首要 | shǒu yào | the most important; of chief importance |
| 选择 | xuǎn zé | to select; to pick; choice; option; alternative |
| 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] | |
| 伙伴 | huǒ bàn | partner; companion; comrade |
| 合作 | hé zuò | to cooperate; to collaborate; to work together; cooperation; CL:個|个[ge4] |
| 淘 | táo | to wash; to clean out; to cleanse; to eliminate; to dredge |
| 宝 | bǎo | jewel; gem; treasure; precious |
| bǎo | variant of 寶|宝[bao3] | |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |