| 环球 | huán qiú | around the world; worldwide |
| 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) |
| 行为 | xíng wéi | action; conduct; behavior; activity |
| 轨迹 | guǐ jì | locus; orbit; trajectory; track |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 次数 | cì shù | number of times; frequency; order number (in a series); power (math.); degree of a polynomial (math.) |
| 最多 | zuì duō | at most; maximum; greatest (amount); maximal |
| 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] | |
| 内部 | nèi bù | interior; inside (part, section); internal |
| 渠道 | qú dào | irrigation ditch; (fig.) channel; means |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |
| 数据库 | shù jù kù | database |