"The bear would do better in its natural habitat and the agency would step in if its condition deteriorated," they said.

他们称：“这只熊在它的自然栖息地会生活得更好，如果情况恶化，该机构将会介入。”

youdao

His condition got worse and worse.; His condition steadily deteriorated.

他的病情恶化，日甚一日。

《新英汉大辞典》

As his condition deteriorated, he worked obsessively to finish the new novel that was so synaesthetically vivid in his imagination.

他的身体状况在恶化，但他着了魔般地工作，要完成这部栩栩如生地存在在他的想象里的新小说。

youdao

When her condition deteriorated her mother brought her to Altnagelvin Hospital's accident and emergency department.

BBC: Raychel Ferguson

But the 63-year-old's condition deteriorated and she died of heart failure on 4 December.

BBC: Essex

She said higher levels of the prescription were only to be used if Mrs Richards' condition deteriorated.

BBC: Gladys Richards