| 保密 | bǎo mì | to keep sth confidential; to maintain secrecy |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 高铁 | gāo tiě | high speed rail |
| 飞机 | fēi jī | airplane; CL:架[jia4] |
| 及 | jí | and; to reach; up to; in time for |
| 打车 | dǎ chē | to take a taxi (in town); to hitch a lift |
| 记录 | jì lù | to record; record (written account); note-taker; record (in sports etc); CL:個|个[ge4] |
| 优质 | yōu zhì | excellent quality |
| 渠道 | qú dào | irrigation ditch; (fig.) channel; means |
| 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 |
| 屁屁 | pì pi | (child language) buttocks; bottom |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |