take advantage of the crack and enter
Chinese idiom, Pinyin is ch è NGX ì é RR ù, which means to enter while weak and careless. It's from Yu ion, the milu tiger.
Idiom explanation
Take advantage of weakness and carelessness to enter.
The origin of Idioms
In Ming Dynasty, Liu Ji's "Yu ion · Milu tiger", it is said that "if you don't enter, you can enter by taking advantage of the gap."
Idiom usage
We should take strict precautions to prevent the enemy from taking advantage of the gap.
take advantage of the crack and enter
Too many boats don't get in the way - chuán duō bù ài lù
demolish with penetrating criticism - biān bì xiàng lǐ
the dragon 's liver and the phoenix 's marrow - lóng xuè fèng suǐ
be astute in devising great plans - hóng cái dà lüè
smash one 's iron pots and pans into pieces and sell them as scrapped iron - zá guō mài tiě
help each other when both are in humble circumstances - yǐ mò xiāng rú