| 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 |
| 个人 | gè rén | individual; personal; oneself |
| 电 | diàn | electric; electricity; electrical |
| 费 | fèi | to cost; to spend; fee; wasteful; expenses |
| Fèi | surname Fei | |
| 单 | dān | bill; list; form; single; only; sole; odd number; CL:個|个[ge4] |
| Chán | see 單于|单于[Chán yú] | |
| Shàn | surname Shan | |
| 信息 | xìn xī | information; news; message |
| 一口 | yī kǒu | readily; flatly (deny, admit and so on); a mouthful; a bite |
| 价 | jià | price; value; valence (on an atom) |
| jie | great; good; middleman; servant | |
| 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] | |
| 软件 | ruǎn jiàn | (computer) software |
| 手机 | shǒu jī | cell phone; mobile phone; CL:部[bu4],支[zhi1] |
| 定位 | dìng wèi | to orientate; to position; to categorize (as); to characterize (as); positioning; position; niche |
| 追踪 | zhuī zōng | to follow a trail; to trace; to pursue |
| 找 | zhǎo | to try to find; to look for; to call on sb; to find; to seek; to return; to give change |
| 人 | rén | man; person; people; CL:個|个[ge4],位[wei4] |