餿水油

Rancid or soured, especially referring to food that has spoiled and developed a bad taste; also used figuratively to mean ineffective or not clever.

Water; liquid; juice; river; to swim; surname Shui; additional cost or income; lacking substance; shoddy.

Oil, fat, grease, or petroleum; to paint or varnish; oily or greasy; also slang for cunning or glib; extra profit; to get dirty with oil.