1 hole

2 pit

3 tunnel

4 to defraud

1 sofa (loanword)

2 classifier: 条 tiáo

3 classifier: 张 zhāng

4 (Internet slang) the first reply or replier to a forum post

1 Changsha prefecture-level city and capital of Hunan province in south central China

1 Nansha Islands

2 Spratly Islands

3 Nansha district of Guangzhou city 廣州市|广州市[Guǎng zhōu shì], Guangdong

1 to cheat sb

1 lit. every turnip to its hole (idiom)

2 fig. each person has his own position

3 each to his own

4 horses for courses

5 every kettle has its lid

1 lit. like a sheet of loose sand

2 fig. unable to cooperate (idiom)

1 to attack someone by innuendo (idiom)

2 to make oblique charges

3 to make insinuations

4 to insinuate

1 to plant trees in order to stabilize sand (idiom)

1 countless as the grains of sand in the Ganges (idiom)