在别人有困难的时候
When others are in trouble
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他认为在别人有困难的时候予以帮助是自己的责任。
He felt it his duty to help others when they are in trouble.
youdao
He felt it was his duty to help others when they had too much bother.
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