ろうをえてしょくをのぞむ
隴を得て蜀を望む
never being satisfied with what one gets, and always wanting more; giving someone an inch and having them take a mile; taking Gansu only to want Sichuan
N3Expression
Expression, Godan verb (mu ending)
never being satisfied with what one gets, and always wanting more•giving someone an inch and having them take a mile•taking Gansu only to want Sichuan