龟笑鳖无尾

lit. a tortoise laughing at a soft-shelled turtle for having no tail (idiom) / fig. the pot calling the kettle black

tortoise / turtle

old variant of 笑[xiao4]

laugh / smile / CL:個|个[ge4]

to laugh; to smile / to laugh at

freshwater soft-shelled turtle

variant of 鱉|鳖[bie1]

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

tail / remainder / remnant / extremity / sixth of the 28 constellations / classifier for fish

horse's tail / pointed posterior section of a locust etc