不由落下眼泪
One cannot help shedding tears
以上为机器翻译结果，长、整句建议使用 人工翻译 。
目击这一切的真子不由得落下了眼泪，阿大不断以来的话在脑海里一直回旋。
Witness of all this really son couldn't help fell in tears, o great constantly in mind since word has been rotation.
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