be no picnic be difficult or unpleasant. informal
2001Rant While Cheung looks elegant…in the 25 different versions of the cheongsam dress she wears in the film, moving in the garments was no picnic.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。