| 定位 | dìng wèi | to orientate; to position; to categorize (as); to characterize (as); positioning; position; niche |
| 跟踪 | gēn zōng | to follow sb's tracks; to tail; to shadow; tracking |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 快递 | kuài dì | express delivery |
| 收 | shōu | to receive; to accept; to collect; to put away; to restrain; to stop; in care of (used on address line after name) |
| 货 | huò | goods; money; commodity; CL:個|个[ge4] |
| 地址 | dì zhǐ | address; CL:個|个[ge4] |
| 等 | děng | class; rank; grade; equal to; same as; to wait for; to await; et cetera; and so on; et al. (and other authors); after; as soon as; once |
| 信息 | xìn xī | information; news; message |
| 挺 | tǐng | straight; erect; to stick out (a part of the body); to (physically) straighten up; to support; to withstand; outstanding; (coll.) quite; very; classifier for machine guns |
| 放心 | fàng xīn | to feel relieved; to feel reassured; to be at ease |
| 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] | |
| 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] |
| 咔 | kǎ | (used as phonetic "ka") |
| 咔 | kǎ | (used as phonetic "ka") |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |