英语短语词组词汇be at pains的音标、释义、翻译、用法及例句-英语短语词组词典

短语	be at pains
释义	be at pains 尽力；用心；下苦功夫；费尽苦心；尽力设法
随便看	notochordal canal notochordal plate notochords Notodelphyidiformes Notodelphyoida Notodontidae Notogaea Notogaeal Notogaean Notogaeic Notommatidae Notomyotina not on any account not on any terms not on borrowing terms not once not one bit not one bit of it Notonectidae notonectidaes Notonectoidea not on the map not on your life not on your nelly not on your puff

英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。