If you want to take it, you must deal with it first
If you want to take it, you must give it first. If you want to take something, you have to give it first. It refers to paying a price to induce the other party to relax their vigilance, and then looking for an opportunity to seize.
source
Chapter 36 of Laozi: if you want to seize it, you must give it. Wei ceyi, the Warring States strategy, and the book of Zhou said: if you want to lose, you must be supported by your aunt; if you want to take it, you must be supported by your aunt. It is often the case that only by losing can we not lose. This is the principle of ~. ——Selected works of Mao Zedong: strategic issues of China's revolutionary war and ZhouShu: if you want to take it, you must give it.
example sentence
Fishing is elegant, but you must use the bait that the fish like to eat. This is it.
Chinese PinYin : jiāng yù qǔ zhī,bì xiān yǔ zhī
If you want to take it, you must deal with it first