燙手山芋

To scald or burn with hot liquid or steam; to heat something up; to perm hair; to iron clothes; extremely hot.

Hand; person skilled in a certain type of work; person engaged in certain work; classifier for skill; personal; convenient.

Mountain; hill; peak; surname; a component of Chinese characters; (archaic) tomb.

Taro; a starchy root vegetable; commonly refers to the plant Colocasia antiquorum or Colocasia esculenta.