手机

shǒu jī cell phone; mobile phone; CL:部[bu4],支[zhi1]

监控

jiān kòng to monitor

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

价格

jià gé price; CL:個|个[ge4]

最优

zuì yōu optimal; optimum

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]

免费

miǎn fèi free (of charge)

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

快

kuài rapid; quick; speed; rate; soon; almost; to make haste; clever; sharp (of knives or wits); forthright; plainspoken; gratified; pleased; pleasant

手

shǒu hand; (formal) to hold; person engaged in certain types of work; person skilled in certain types of work; personal(ly); convenient; classifier for skill; CL:雙|双[shuang1],隻|只[zhi1]

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

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