[longthun longraēng] (v, exp) EN: invest money and effort ; put money and effort intoFR: investir de l'argent et de l'énergie ; dépenser de l'argent et beaucoup d'efforts
[かつやく, katsuyaku](n) (1) activity (esp. energetic); great efforts; conspicuous service; (vs) (2) to flourish; to participate actively; to play an active role; (P)#1297[Add to Longdo]
[いしょうさんたん, ishousantan](n) taxing one's ingenuity in devising something; agonizing over designing or creating something; making strenuous efforts to devise good ways and means to do something[Add to Longdo]
[いちばくじっかん, ichibakujikkan](exp) (1) bursts of exertion will fail to bear fruit if interrupted by long periods of idleness; (2) strenuous efforts, unless sustained, are to no avail (Mencius)[Add to Longdo]