高效

gāo xiào efficient; highly effective

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]

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

, 最

zuì old variant of 最[zui4]

zuì variant of 最[zui4]

zuì most; the most; -est (superlative suffix)

贴心

tiē xīn intimate; close; considerate

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]

源头

yuán tóu source; fountainhead

叮当

dīng dāng (onom.) ding dong; jingling of bells; clanking sound

dīng dāng onomat. ding dong; jingling of bells; clanking sound

猫

māo cat; CL:隻|只[zhi1]; (dialect) to hide oneself; (coll.) modem

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

ququhelp