| 专业化 | zhuān yè huà | specialization |
| 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 |
| 半小时 | bàn xiǎo shí | half hour |
| 出 | chū | variant of 出[chu1] (classifier for plays or chapters of classical novels) |
| chū | to go out; to come out; to occur; to produce; to go beyond; to rise; to put forth; to happen; classifier for dramas, plays, operas etc | |
| 单 | dān | bill; list; form; single; only; sole; odd number; CL:個|个[ge4] |
| Chán | see 單于|单于[Chán yú] | |
| Shàn | surname Shan | |
| 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] | |
| 系统 | xì tǒng | system; CL:個|个[ge4] |
| 维护 | wéi hù | to defend; to safeguard; to protect; to uphold; to maintain |
| 社工 | shè gōng | social work; social worker |
| 好 | hǎo | good; well; proper; good to; easy to; very; so; (suffix indicating completion or readiness); (of two people) close; on intimate terms |
| hào | to be fond of; to have a tendency to; to be prone to | |
| 帮手 | bāng shǒu | helper; assistant |