have not yet found openings to exploit
The Chinese idiom w ú x ì K ě ch é ng is used to describe that there is no room to drill. It comes from the book of the Song Dynasty.
The origin of Idioms
"Song Shu · Lu Li Zhi 2:" Chen Qi Li Qi Yao, Xian Shi Shang Yuan, no space to take advantage of. "
Analysis of Idioms
Antonym is impeccable and flawless
Idiom usage
Every rich country in Siam will come to annex it, but only to. (the 35th chapter of Water Margin by Chen Chen in Qing Dynasty)
have not yet found openings to exploit
be engraved on the heart and memory - míng jì bù wàng
do not know how difficult it is to make a living - bù zhī gān kǔ
the moon shining on the beams of the house -- thinking of a friend - luò yuè wū liáng