1 refers to Dr Sun Yat-sen

2 Zhongshan, prefecture-level city in Guangdong, close to Sun Yat-sen's birthplace

3 Nakayama (Japanese surname)

1 to follow each other's accounts (on Weibo etc)

1 multitude

2 vast crowd

1 Foshan prefecture-level city in Guangdong

1 iceberg

2 classifier: 座 zuò

1 lit. the mountain can't have two tigers (idiom)

2 fig. this town ain't big enough for the two of us

3 (of two rivals) to be fiercely competitive

1 can't recognize Mt Taishan (idiom); fig. not to recognize a famous person

1 lit. to not show the mountain and to not reveal the water (idiom); fig. to hide the key facts

1 lit. the other mountain's stone can polish jade (idiom); to improve oneself by accepting criticism from outside

2 to borrow talent from abroad to develop the nation effectively

1 troops in defeat like a landslide (idiom); a beaten army in total collapse