| 免费 | miǎn fèi | free (of charge) |
| 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 |
| 最先 | zuì xiān | (the) very first |
| 选择 | xuǎn zé | to select; to pick; choice; option; alternative |
| 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 |
| 兼职 | jiān zhí | to hold concurrent posts; concurrent job; moonlighting |
| 工作 | gōng zuò | to work; (of a machine) to operate; job; work; task; CL:個|个[ge4],份[fen4],項|项[xiang4] |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 酒店 | jiǔ diàn | wine shop; pub (public house); hotel; restaurant |
| 入住 | rù zhù | to check in (at a hotel etc) |
| 记录 | jì lù | to record; record (written account); note-taker; record (in sports etc); CL:個|个[ge4] |
| 记录 | jì lù | to record; record (written account); note-taker; record (in sports etc); CL:個|个[ge4] |