| 是否 | shì fǒu | whether (or not); if; is or isn't |
| 有人 | yǒu rén | someone; people; anyone; there is someone there; occupied (as in restroom) |
| 脸 | liǎn | face; CL:張|张[zhang1],個|个[ge4] |
| 识别 | shí bié | to distinguish; to discern |
| 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] | |
| 数据 | shù jù | data; numbers; digital |
| shù jù | data; numbers; digital; also written 數據|数据 | |
| 找 | zhǎo | to try to find; to look for; to call on sb; to find; to seek; to return; to give change |
| 人 | rén | man; person; people; CL:個|个[ge4],位[wei4] |
| 你 | nǐ | you (informal, as opposed to courteous 您[nin2]) |
| 懂 | dǒng | to understand; to comprehend |
| 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] | |
| 网络 | wǎng luò | network (computing, telecommunications, transport etc) |
| Wǎng luò | Internet | |
| 工程师 | gōng chéng shī | engineer; CL:個|个[ge4],位[wei4],名[ming2] |
| 技术 | jì shù | technology; technique; skill; CL:門|门[men2],種|种[zhong3],項|项[xiang4] |
| 实名 | shí míng | real-name (registration etc); non-anonymous |
| 认证 | rèn zhèng | to authenticate; to approve |
| 查询 | chá xún | to check; to inquire; to consult (a document etc); inquiry; query |