水火无情

fire and flood have no mercy (idiom)

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

fire / urgent / ammunition / fiery or flaming / internal heat (Chinese medicine) / hot (popular) / classifier for military units (old) / Kangxi radical 86

not to have / no / none / not / to lack / un- / -less

pitiless / ruthless / merciless / heartless

feeling / emotion / passion / situation