| 免费 | miǎn fèi | free (of charge) |
| 人 | rén | man; person; people; CL:個|个[ge4],位[wei4] |
| 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] |
| 很 | hěn | (adverb of degree); quite; very; awfully |
| 安心 | ān xīn | at ease; to feel relieved; to set one's mind at rest; to keep one's mind on sth |
| 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] | |
| 数据 | shù jù | data; numbers; digital |
| shù jù | data; numbers; digital; also written 數據|数据 | |
| 中心 | zhōng xīn | center; heart; core; CL:個|个[ge4] |
| 管理 | guǎn lǐ | to supervise; to manage; to administer; management; administration; CL:個|个[ge4] |
| 大陆 | Dà lù | mainland China (reference to the PRC) |
| dà lù | continent; mainland; CL:個|个[ge4],塊|块[kuai4] | |
| 社工 | shè gōng | social work; social worker |
| 库 | kù | warehouse; storehouse; (file) library |