She lost control and the tears began to flow.

她禁不住泪如泉涌。

《牛津词典》

Although sadness also precedes tears, evidence suggests that emotions can flow from muscular responses.

虽然悲伤也先于流泪，但有证据表明，情绪可以从肌肉反应中流出。

youdao

Although sadness also precedes tears, evidence suggests that emotions can flow from muscular responses.

虽然悲伤也先于流泪，但有证据表明，情绪可以从肌肉反应中流出。

youdao

This provokes an even stronger reaction, and that is when the tears start to flow.

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