苦心的英文：
painstaking

參考例句：
  • They dig into the history of mankind
    他們苦心研究人類(lèi)史。
  • The book was the result of ten years' assiduous research.
    那本書(shū)是十年苦心鉆研的成果。
  • I saw him puzzle over a math problem.
    我看見(jiàn)他正在苦心思索一道數(shù)學(xué)題。
  • Add to that the good war of a born eavesdropper, carefully honed on a lot of strangers in foreign train compartments
    此外，他生就一對(duì)善于偷聽(tīng)的耳朵，經(jīng)過(guò)在異國(guó)火車(chē)車(chē)廂里聽(tīng)眾多陌生人談話的苦心磨練，變得更靈敏。
painstaking是什么意思：
n. 辛苦；勤勉
adj. 辛苦的；勤勉的；小心的
  • The experts did a painstaking sifting of debris.
    專(zhuān)家們對(duì)巖屑進(jìn)行了煞費(fèi)苦心的研究。
  • Solvable or comprehensible only with painstaking effort.
    難理解的只有經(jīng)過(guò)刻苦的努力才能解決或理解的
  • It was this painstaking apprenticeship that gave Van Gogh mastery of painting.
    這種辛勤的練習(xí)，使梵高精通了繪畫(huà)技巧。
  • His painstaking to attain his goal in life is praiseworthy.
    他為實(shí)現(xiàn)人生目標(biāo)所下的苦功是值得稱贊的。
  • It also meant the beginning of obligation, painstaking, happiness and enjoyment.
    它同時(shí)也意味著責(zé)任、辛苦、幸福、快樂(lè)的開(kāi)始。

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