After tallying up the votes, I decided to explain the names of 12 characters instead of just 5-10! ^_^

Su Xi-er/Ning Rulan

Su Xi-er (苏曦儿)

Su: (Surname) 

• Revive, resurrect, come to

• Alleviate

Xi:

• Early morning sunlight

Er:

• A suffix that is added to a name, usually to express endearment

Ning Rulan (宁茹兰)

Ning: (Surname)

• Peaceful, tranquil

• Pacify

• Prefer, would rather

Ru:

• Eat

• Endure sufferings

Lan:

• Orchid

~~~

Pei Qianhao (Prince Hao)

裴千灏 

Pei: (Surname)

• Appearance of a flowing gown

Qian:

• Thousand

• A huge amount

Hao:

• Vast, expansive

~~~

Ning Lianchen (Nanzhao's Emperor)

宁连尘

Ning: (Surname)

• Peaceful, tranquil

• Pacify

• Prefer, would rather

Lian:

• Join, connect, link

• Involve, implicate

• Continuous, in succession

Chen:

• Dust, dirt, earth, ash

• Mortal world, human society

~~~

Ning Anlian

宁安莲

Ning: (Surname)

• Peaceful, tranquil

• Pacify

• Prefer, would rather

An:

• Safety, peace

• Calm, at ease

• Content, satisfied

• Quiet

Lian:

• Lotus

~~~

Yun Ruofeng

云若风

Yun: (Surname)

• Cloud

• Say, speak (archaic)

Ruo:

• To seem, like, as if

Feng:

• Wind

• Custom, practice

• Scenery, view

• Style

• Demeanour, manner

• News, rumors

~~~

Tan Ge

檀歌

Tan: (Surname)

• Sandalwood

Ge:

• Song

~~~

Situ Lin (Beimin's Emperor)

司徒霖

Situ: (Surname)

Lin: Long spell of rain

~~~

Xie Yun (Commandery Prince Xie)

谢运

Xie: (Surname)

• To thank

• To apologize

• Wither

• Decline, refuse

Yun:

• Luck, fate

• Move, transport

• Use, apply

~~~

Situ Li (Third Imperial Prince)

司徒立

Situ: (Surname)

Li:

• Stand up

• Establish, set up

• Appoint

• Immediately

~~~

Feng Changqing

凤长青

Feng: (Surname)

• Phoenix

Chang:

• Long

• Constantly, always

• Grow, increase

• Head, chief

• Elder, senior

Qing

• Blue or green

• Young

Liu Yinyin

柳音音

Liu: (surname)

• Willow

Yin: 

• Sound, noise

• (Musical) note, tone

• News, information

~~~

Mei Jinxiu

梅锦绣

Mei: (Surname)

• Plum, plum flower

Jin: 

• Brocade

• Embroidered work

• Bright and gorgeous

Xiu: 

• Embroider, embroidery