熬夜工作会逐渐损害你的健康。

Working late nights can ___undermine your health over time.

持续的大雨逐渐侵蚀了河岸的根基。

The constant heavy rain has ___undermined the riverbank's foundation.

谣言正在暗中破坏公司的声誉。

The rumors are secretly ___undermining the company's reputation.