They damage China's sovereignty and dignity, and treat the basic principles of international law with contempt.

侵犯中国的主权和尊严，践踏国际关系基本准则。

States are meant to follow the 'No Harm Rule', which is a principle of international law which stops countries harming others – and that includes water supplies.

各国应遵循“不伤害原则”，这是一项国际法原则，旨在阻止各国伤害他国，其中包括供水。