烫手山芋

hot potato / problem / trouble / headache

to scald / to burn (by scalding) / to blanch (cooking) / to heat (sth) up in hot water / to perm / to iron / scalding hot

hand / (formal) to hold / person engaged in certain types of work / person skilled in certain types of work / personal(ly) / convenient / classifier for skill / CL:雙|双[shuang1],隻|只[zhi1]

mountain / hill / anything that resembles a mountain / CL:座[zuo4] / bundled straw in which silkworms spin cocoons / gable

sweet potato

taro / Colocasia antiquorum / Colocasia esculenta