平安

píng ān safe and sound; well; without mishap; quiet and safe; at peace

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

查询

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

手机

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

号

hào ordinal number; day of a month; mark; sign; business establishment; size; ship suffix; horn (wind instrument); bugle call; assumed name; to take a pulse; classifier used to indicate number of people

háo roar; cry; CL:個|个[ge4]

通话

tōng huà to hold a conversation; to talk over the telephone; phone call

记录

jì lù to record; record (written account); note-taker; record (in sports etc); CL:個|个[ge4]

, 别人

bié ren other people; others; other person

bié rén other people; others; other person

都

dōu all; both; entirely; (used for emphasis) even; already; (not) at all

Dū surname Du

dū capital city; metropolis

选择

xuǎn zé to select; to pick; choice; option; alternative

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]

网络

wǎng luò network (computing, telecommunications, transport etc)

Wǎng luò Internet

工程师

gōng chéng shī engineer; CL:個|个[ge4],位[wei4],名[ming2]

技术

jì shù technology; technique; skill; CL:門|门[men2],種|种[zhong3],項|项[xiang4]

小

xiǎo small; tiny; few; young

杰

jié hero; heroic; outstanding person; prominent; distinguished

jié variant of 傑|杰[jie2]

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

papaqpon