go to great pains
US /ɡoʊ tə ɡreɪt peɪnz/
UK /ɡoʊ tə ɡreɪt peɪnz/

1.
費盡心思, 不遺餘力
to make a great effort to do something, especially to ensure that it is done well or correctly
:
•
She went to great pains to make sure all the guests were comfortable.
她費盡心思確保所有客人都感到舒適。
•
The author goes to great pains to explain complex scientific concepts in simple terms.
作者費盡心思用簡單的語言解釋複雜的科學概念。