ios 上

shàng on top; upon; above; upper; previous; first (of multiple parts); to climb; to get onto; to go up; to attend (class or university)

shǎng see 上聲|上声[shang3 sheng1]

架

jià to support; frame; rack; framework; classifier for planes, large vehicles, radios etc

常见

cháng jiàn commonly seen; common; to see sth frequently

安全问题

ān quán wèn tí safety issue; security issue

电报

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

@chaojiio 稳定

wěn dìng steady; stable; stability; to stabilize; to pacify

tf 签名

qiān míng to sign (one's name with a pen etc); to autograph; signature

qbc