| 秒 | miǎo | second (of time); unit of angle or arc equivalent to one sixtieth of a degree |
| 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 |
| 高度 | gāo dù | height; altitude; elevation; high degree; highly; CL:個|个[ge4] |
| 机密 | jī mì | secret; classified (information) |
| 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] | |
| 源头 | yuán tóu | source; fountainhead |
| 星 | xīng | star; heavenly body; satellite; small amount |
| 盾 | dùn | shield; (currency) Vietnamese dong; currency unit of several countries (Indonesian rupiah, Dutch gulden etc) |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |