苦心研究
苦心研究
fu2 sam1 jin4 gau3 painstaking study or research
苦心經營
苦心经营
fu2 sam1 ging1 jing4 to take great effort to build up
苦心孤詣
苦心孤诣
fu2 sam1 gu1 ngai6 to make painstaking efforts
唔好白費我一番苦心,快啲飲晒啲湯佢。
唔好白费我一番苦心,快啲饮晒啲汤佢。
m4 hou2 baak6 fai3 ngo5 jat1 faan1 fu2 sam1, faai3 di1 jam2 saai3 di1 tong1 keoi5. I put hours of effort into the soup. Don't waste it.