1.Relations between the USA and Turkey have soured following the purchase by Turkey of a Russian missile defense system.
sour 变坏;恶化
The disagreement over trade tariffs has soured relations between the two countries.
贸易关税上的分歧导致两国关系恶化 。
2.U.S. officials argue the Russian system would be incompatible with NATO systems
be incompatible with 与...不相容
His behavior has been incompatible with his role as head of state.
他的行为与他的国家领袖身份不相称 。