1 clear

2 distinct

3 to understand thoroughly

4 to be clear about

1 to be very clear about sth (idiom)

1 Zhou Yu or Chou Yü (175-210), famous general of the southern Wu kingdom and victor of the battle of Redcliff

2 in Romance of the Three Kingdoms, absolutely no match for Zhuge Liang

1 surname Song

2 the Song dynasty (960-1279)

3 also Song of the Southern dynasties 南朝宋 (420-479)

1 Song dynasty (960-1279)

1 to be very clear about sth (idiom)

1 lit. head in Wu and tail in Chu (idiom); fig. close together

2 head-to-tail

3 one thing starts where the other leaves off

1 lit. on all sides, the songs of Chu (idiom)

2 fig. surrounded by enemies, isolated and without help

1 the sky hangs low over the Yangtze, empty as far as the eye can see (idiom); nothing to see to the broad horizon

1 serve Qin in the morning Chu in the evening (idiom); quick to switch sides