| 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 |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |
| 微信 | Wēi xìn | Weixin or WeChat (mobile text and voice messaging service developed by Tencent 騰訊|腾讯[Teng2 xun4]) |
| 聊天 | liáo tiān | to chat; to gossip |
| 记录 | jì lù | to record; record (written account); note-taker; record (in sports etc); CL:個|个[ge4] |
| 内容 | nèi róng | content; substance; details; CL:個|个[ge4],項|项[xiang4] |
| 查 | chá | to research; to check; to investigate; to examine; to refer to; to look up (e.g. a word in a dictionary) |
| zhā | see 山查[shan1 zha1] | |
| Zhā | surname Zha | |
| 小三 | xiǎo sān | mistress; the other woman (coll.); grade 3 in elementary school |
| 利器 | lì qì | sharp weapon; effective implement; outstandingly able individual |
| 全 | quán | all; whole; entire; every; complete |
| Quán | surname Quan | |
| 域 | yù | field; region; area; domain (taxonomy) |
| 有偿 | yǒu cháng | paying; paid (not free) |
| 服务 | fú wù | to serve; service; CL:項|项[xiang4] |
| 项目 | xiàng mù | item; project; (sports) event; CL:個|个[ge4] |
| 小丑 | xiǎo chǒu | clown |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |