- pains(▼常に複数形);hard work
苦心する take pains; work hard
- 苦心してそれを調べあげた
- 「He went to great pains [He put in a lot of hard work] investigating it.
- この本は彼の苦心が実ったものである
- This book of his is the fruit of 「much labor [a lot of hard work].
- せっかくの苦心も水の泡になった
- All his efforts came to nothing.
- 難問を解こうと苦心している
- He is cudgeling [racking] his brains trying to solve a difficult problem.
- この筆使いに苦心の跡が見られる
- There are traces of painstaking effort in this brushwork.
- この辞書は大勢の人の苦心の作である
- This dictionary is the result of a lot of hard work on the part of many people.
- この金を工面するのに苦心さんたんした
- I went to a lot of trouble to raise this money./I had a hard time raising this money.
- それを発明するまでの苦心談を語った
- He spoke about the difficulties he experienced inventing it.