yòng xīn liáng kǔ成语:用心良苦--------------------------------------------------------------------用心:认真思考;良:很.很费心思地反复思考.【出处】:清·钱谦益《题怀麓堂诗钞》:“孟阳于恶疾沉痼...
yòng xīn liáng kǔ成语:用心良苦--------------------------------------------------------------------用心:认真思考;良:很.很费心思地反复思考.【出处】:清·钱谦益《题怀麓堂诗钞》:“孟阳于恶疾沉痼...