| 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 |
| 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 |
| 行业 | háng yè | industry; business |
| 标杆 | biāo gān | surveyor's pole; CL:根[gen1]; benchmark; model |
| 解密 | jiě mì | to declassify; (computing) to decrypt; to decipher |
| 技术 | jì shù | technology; technique; skill; CL:門|门[men2],種|种[zhong3],項|项[xiang4] |
| 查 | chá | to research; to check; to investigate; to examine; to refer to; to look up (e.g. a word in a dictionary) |
| zhā | see 山查[shan1 zha1] | |
| Zhā | surname Zha | |
| 开 | kāi | to open; to start; to turn on; to boil; to write out (a prescription, check, invoice etc); to operate (a vehicle); carat (gold); abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2]; abbr. for 開本|开本[kai1 ben3], book format |
| 房 | fáng | house; room; CL:間|间[jian1]; branch of an extended family; classifier for family members (or concubines) |
| Fáng | surname Fang | |
| 记录 | jì lù | to record; record (written account); note-taker; record (in sports etc); CL:個|个[ge4] |
| 酒店 | jiǔ diàn | wine shop; pub (public house); hotel; restaurant |
| 开 | kāi | to open; to start; to turn on; to boil; to write out (a prescription, check, invoice etc); to operate (a vehicle); carat (gold); abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2]; abbr. for 開本|开本[kai1 ben3], book format |
| 房 | fáng | house; room; CL:間|间[jian1]; branch of an extended family; classifier for family members (or concubines) |
| Fáng | surname Fang | |
| 信息 | xìn xī | information; news; message |