Definition
To engage in frequent and heated arguments; to have a constantly antagonistic relationship.
傷常爭吵，永無定日
Those two are always fighting like cat and dog, it's unbearable.
那兩個人總是吵得不可開交，真是讓人受不了。
Ever since they went into business together, they've been fighting like cat and dog.
自從他們一起做生意後，他們就一直爭吵不休。
The couple's relationship is very tense; they fight like cat and dog almost every day.
這對夫妻的關係非常緊張；他們幾乎每天都吵得不可開交。