撞

zhuàng to knock against; to bump into; to run into; to meet by accident

库

kù warehouse; storehouse; (file) library

查询

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

通讯

tōng xùn communications; news story; dispatch; CL:個|个[ge4]

社交

shè jiāo interaction; social contact

信息

xìn xī information; news; message

公认

gōng rèn publicly known (to be); accepted (as)

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]

工具

gōng jù tool; instrument; utensil; means (to achieve a goal etc)

库

kù warehouse; storehouse; (file) library

付费

fù fèi to pay; to cover the costs

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

chalalalacom