安卓

Ān zhuó Android (operating system for mobile devices)

app 加固

jiā gù to reinforce (a structure); to strengthen

最好

zuì hǎo best; (you) had better (do what we suggest)

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]

平台

píng tái platform; terrace; flat-roofed building

（ 电报

diàn bào telegram; cable; telegraph; CL:封[feng1],份[fen4]

ltesign） 诚信

chéng xìn genuine; honest; in good faith; honesty; integrity

zhs