| 黑盒 | hēi hé | black box; fig. system whose internal structure is unknown |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 个人 | gè rén | individual; personal; oneself |
| 名下 | míng xià | under sb's name |
| 手机 | shǒu jī | cell phone; mobile phone; CL:部[bu4],支[zhi1] |
| 号码 | hào mǎ | number; CL:堆[dui1],個|个[ge4] |
| 别人 | bié ren | other people; others; other person |
| bié rén | other people; others; other person | |
| 都 | dōu | all; both; entirely; (used for emphasis) even; already; (not) at all |
| Dū | surname Du | |
| dū | capital city; metropolis | |
| 信任 | xìn rèn | to trust; to have confidence in |
| 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] | |
| 数据 | shù jù | data; numbers; digital |
| shù jù | data; numbers; digital; also written 數據|数据 | |
| 超市 | chāo shì | supermarket; abbr. for 超級市場|超级市场; CL:家[jia1] |
| 平安 | píng ān | safe and sound; well; without mishap; quiet and safe; at peace |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |