苦心研究的英文

hammer away

• 苦心:    trouble taken; pai ...
• 研究:    study; research
• 精心研究:    pore 1

例句与用法

1. It ' s the result of thirty years ' hard research
   这是三十年苦心研究的成果。
2. I had been struggling with a few concepts for matte paintings for quite a while
   有一阵子，我曾苦心研究一些油画等表现肌理的绘画形式。