1 General Lü Meng 呂蒙|吕蒙 of the southern state of Wu (idiom); model of self-improvement by diligent study (from unlettered soldier to top strategist of Wu)
恬愉之安
tián yú zhī ān
1 comfortably at peace (idiom)
蒙在鼓里
méng zài gǔ lǐ
1 lit. kept inside a drum (idiom)
2 fig. completely in the dark
蒙昧无知
méng mèi wú zhī
1 benighted (idiom)
2 ignorant
风恬浪静
fēng tián làng jìng
1 lit. breeze is still, waves are quiet (idiom); tranquil environment