| 四 | sì | four; 4 |
| 通 | tōng | to go through; to know well; (suffix) expert; to connect; to communicate; open; to clear; classifier for letters, telegrams, phone calls etc |
| tòng | classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc) | |
| 一 | yī | one; 1; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1); also pr. [yao1] for greater clarity when spelling out numbers digit by digit |
| 达 | dá | to attain; to reach; to amount to; to communicate; eminent |
| Dá | surname Da | |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 边 | biān | side; edge; margin; border; boundary; CL:個|个[ge4]; simultaneously |
| bian | suffix of a noun of locality | |
| 控 | kòng | to control; to accuse; to charge; to sue; to invert a container to empty it; (suffix) (slang) buff; enthusiast; devotee; -phile or -philia |
| 情况 | qíng kuàng | circumstances; state of affairs; situation; CL:個|个[ge4],種|种[zhong3] |
| 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] | |
| 解密 | jiě mì | to declassify; (computing) to decrypt; to decipher |
| 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 |