B (巨大) 巨大 ju4da4 
huge/ enormous 
riesig, sehr groß C (大大) 大大 da4da4
greatly/ enormously
sehr, enorm D (龐大) 庞大 pang2da4
enormous
gewaltig, ungeheuer, kolossal, sehr viel
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
龐 庞 disorderly, messy / huge, big
大 大 big, great, vast, large, high
from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License
D (龐大) 庞大 pang2da4 enormous gewaltig, ungeheuer, kolossal, sehr viel Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
龐 庞 disorderly, messy / huge, big 大 大 big, great, vast, large, high from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License