四

sì four; 4

通

tōng to go through; to know well; (suffix) expert; to connect; to communicate; open; to clear; classifier for letters, telegrams, phone calls etc

tòng classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)

一

yī one; 1; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1); also pr. [yao1] for greater clarity when spelling out numbers digit by digit

达

dá to attain; to reach; to amount to; to communicate; eminent

Dá surname Da

查询

chá xún to check; to inquire; to consult (a document etc); inquiry; query

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

。 超级

chāo jí super-; ultra-; hyper-

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]

合法

hé fǎ lawful; legitimate; legal

渠道

qú dào irrigation ditch; (fig.) channel; means

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

数据库

shù jù kù database

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