"harm the relationship" is a correct and usable phrase in written English.
It can be used in situations where an action or behavior has a negative impact on a relationship, causing damage or strain. For example: - His constant lying and unfaithfulness ultimately harmed the relationship between him and his partner. - The company's failure to address the customer's concerns quickly harmed the relationship between the two parties. - Negative comments and criticism can harm the relationship between a teacher and their students.
He called on Washington to act wisely and avoid taking any actions that would harm the relationship.
Administration officials have said that they have been working behind the scenes to see that the widening scandal does not harm the relationship with Washington's closest Arab ally.
A few well-chosen rows with Mr Bush need not harm the relationship, and would do Mr Blair some good back home.
As the highest judge in the land, you must retain the moral authority to correct mistakes made by institutions that could damage the rule of law and harm the relationship between state and society.
Several top Senate Republicans raised concerns Sunday that President Trump's order to halt the admission of refugees and citizens of seven Muslim-majority countries had not been properly vetted and could harm the relationship between the United States and key allies.
Either way, it's going to harm the relationship you're trying to repair.
Although suicide is not the intention of self-harm, the relationship between self-harm and suicide is complex, as self-harming behaviour may be potentially life-threatening.
Last month, a group of Kazakh intellectuals signed an open letter complaining that Atajurt's work was harming the relationship between Kazakhstan and China.
The coalition building between clergy of colour and white evangelicals to promote homophobia and discrimination also has the consequence of further harming the relationship between activists across a wide spectrum of issues and furthering old racial divides.
Another school of thought was that Mr. Jiang knew how much the American side valued access to the Chinese audience, and was not willing to risk harming the relationship by cutting it off.
