tù​zi​bù​chī​wō​biān​cǎo

one doesn't harm their own neighbors

Senses

兔子不吃窝边草/ 兔子不吃窩邊草 tù​zi​bù​chī​wō​biān​cǎo one doesn't harm their own neighbors

literally meaning a rabbit does not eat the grass around its own nest; used as a proverb to say that even a villain avoids doing harm in their own immediate neighborhood or to those close to them

References

variant 兔子不吃窝边草/兔子不吃窩邊草 兔儿不吃窠边草/兔兒不喫窠邊草
see 窝边草/窩邊草 兔子不吃窝边草/兔子不吃窩邊草