I'm sorry to hear that在什么情况下使用?

I'm sorry to hear that在什么情况下使用? I'm sorry to hear that. 怎么翻译?什么意思? I'm sorry to hear that .作文 I‘m sorry to hear that. 翻译.I'm sorry to hear that. I'm very sorry to hear that. I'm sorry to ________(hear) that I'm sorry to hear that语法分析to hear that做什么成分 I'm sorry to hear that语法分析to hear that做什么成分啊 I'm sorry to hear that. 这个句子的to hear在句子中做什么成分? i'm sorry (to hear)that为什么填to hear I‘m sorry to hear that中to hear不定式做什么成分?