| 百事通 | bǎi shì tōng | knowledgeable person; know all |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 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) |
| 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] | |
| 航班 | háng bān | scheduled flight; flight number; plane; scheduled sailing; sailing number; passenger ship |
| 飞行记录 | fēi xíng jì lù | flight record |
| 信息 | xìn xī | information; news; message |
| 火箭 | huǒ jiàn | rocket; CL:枚[mei2] |
| 般 | bān | sort; kind; class; way; manner |
| pán | see 般樂|般乐[pan2 le4] | |
| 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] | |
| 效率 | xiào lǜ | efficiency |
| xiào lǜ | efficiency | |
| 私家 | sī jiā | private; privately owned or managed |
| 侦探 | zhēn tàn | detective; to do detective work |
| 调查 | diào chá | investigation; inquiry; to investigate; to survey; survey; (opinion) poll; CL:項|项[xiang4],個|个[ge4] |
| 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 |