Tears can be obtained painlessly without invading the body and only tiny amounts are needed to perform highly refined analyses.

人们可以轻松地获取眼泪，不会对身体造成伤害，而且只需要微量的眼泪就可以进行高度精细的分析。

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Tears can be cathartic and releasing.

眼泪可以宣泄和释放情感。

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Tears can be moving or just plain distracting.

挥好了是感动，挥不好就只能让观众觉得迷惑。

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If coping with it can be described as regularly breaking down in tears for no apparent reason sometimes in front of senior officers and soldiers whom I hold the utmost respect for.

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