| 专业化 | zhuān yè huà | specialization |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 手机 | shǒu jī | cell phone; mobile phone; CL:部[bu4],支[zhi1] |
| 号 | hào | ordinal number; day of a month; mark; sign; business establishment; size; ship suffix; horn (wind instrument); bugle call; assumed name; to take a pulse; classifier used to indicate number of people |
| háo | roar; cry; CL:個|个[ge4] | |
| 通话 | tōng huà | to hold a conversation; to talk over the telephone; phone call |
| 记录 | jì lù | to record; record (written account); note-taker; record (in sports etc); CL:個|个[ge4] |
| 持续 | chí xù | to continue; to persist; sustainable; preservation |
| 性 | xìng | nature; character; property; quality; attribute; sexuality; sex; gender; suffix forming adjective from verb; suffix forming noun from adjective, corresponding to -ness or -ity; essence; CL:個|个[ge4] |
| 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] | |
| 系统 | xì tǒng | system; CL:個|个[ge4] |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 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 |