せざるを得ない[sezaruwoenai] cannot avoid doing
一挙両得[ikkyoryoutoku] killing two birds with one stone
一得[ittoku] one advantage
一得一失[ittokuisshitsu] gaining some and losing some
課税所得[kazeishotoku] taxable income

我が意を得る[wagaiwoeru] to approve of
会得[etoku] understanding
獲得[kakutoku] acquisition
既得[kitoku] vested
既得権[kitokuken] vested rights

隴を得て蜀を望む[rouwoeteshokuwonozomu] never being satisfied with what one gets, and always wanting more (lit: taking Gansu only to want Sichuan)
麦隴[bakurou] field of grain (not rice)

隴畝[rouho] ridges of and paths between fields