| 安卓 | Ān zhuó | Android (operating system for mobile devices) |
| 防 | fáng | to protect; to defend; to guard against; to prevent |
| 反 | fǎn | contrary; in reverse; inside out or upside down; to reverse; to return; to oppose; opposite; against; anti-; to rebel; to use analogy; instead; abbr. for 反切[fan3 qie4] phonetic system |
| 编译 | biān yì | to translate and edit; translator-editor; (computing) to compile (source code) |
| 加固 | jiā gù | to reinforce (a structure); to strengthen |