| 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 |
| 身份证 | shēn fèn zhèng | identity card; ID |
| 大 | dà | big; huge; large; major; great; wide; deep; older (than); oldest; eldest; greatly; very much; (dialect) father; father's elder or younger brother |
| dài | see 大夫[dai4 fu5] | |
| 关联 | guān lián | related; linked; affiliated |
| 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] | |
| 工具 | gōng jù | tool; instrument; utensil; means (to achieve a goal etc) |
| 库 | kù | warehouse; storehouse; (file) library |
| 付费 | fù fèi | to pay; to cover the costs |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |