英语词汇一番苦心是什么意思，一番苦心的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	一番苦心
释义	DEFINITIVE EXAMPLES 权威例句〔THANK〕They were shocked by her ingratitude -- she didn't seem to appreciate the trouble they had gone to. 他们对她的忘恩负义感到震惊—她似乎并不感激他们所费的一番苦心。朗文写作活用
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