boundless
Boundless is an idiom, the pronunciation is w ú Bi ā NW ú y á n, describing a wide range.
explain
The scope of description is very broad.
source
Xu Guangyao's fire in the plain: "they are in this village, in this boundless plain, swimming like fish."
usage
As a predicate, attributive, adverbial; as an adjective
boundless
long for a rain cloud during a drought - dà hàn wàng yún
make investigations both within and without - nèi chá wài diào
used to describe the beautiful dress of a woman - huā zhī zhāo zhǎn
price oneself out of the market - màn tiān jiào jià