expression, noun
like cats and dogs; dogs and monkeys
Idiomatic expression referring to a very bad relationship, akin to 'fighting like cats and dogs'. Literally 'dogs and monkeys', based on the traditional Japanese view that dogs and monkeys are natural enemies. Often used in the phrase 犬猿の仲.
See also: 犬猿
あの二人は犬と猿の仲だ。
Those two are like cats and dogs.
彼らは犬と猿のようにいつも喧嘩している。
They are always fighting like cats and dogs.