giving them difficulties
给他们制造困难
以上为机器翻译结果，长、整句建议使用 人工翻译 。
When the Chinese faced unprecedented difficulties, many international friends came to help, some of them giving up their lives for China.
当中国面对前所未有的困难时，许多国际友人来帮助我们，许多人甚至为中国放弃了生命。
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