安全

ān quán safe; secure; safety; security

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

, 终极

zhōng jí ultimate; final

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]

APP 人

rén man; person; people; CL:個|个[ge4],位[wei4]

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

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

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

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