Spare no effort
It's a Chinese idiom to spare no detail. Pinyin is B ù y í J ù x ì, which means not to let go even the smallest.
source
Liao Zhongkai's reply to Hu Shi's minefield book: "it can be seen that Mr. Liu's attitude towards a problem is not indulgent, and his spirit is meticulous. I really admire it. "
Discrimination of words
Pinyin code: byjx
usage
As a predicate or attributive; without omission
Spare no effort
throw the helve after the hatchet - péi le fū rén yòu zhé bīng
the high officials are loyal to the country and the lower office-holders do their duty to the utmost - dà fǎ xiǎo lián
with one 's hair standing on end - máo gǔ sǒng rán
The old road is not the same as the old one - shú lù qīng zhé