Definition: something that is not easy to deal with Level: B2
在经济低迷时期，许多家庭面临财务困难。
Many families face financial ___difficulty during economic downturns.
她在按时完成项目时遇到了巨大的困难。
She encountered great ___difficulty in completing the project on time.
如你所知，我的家庭有财务困难，我们需要帮助。
As you know, my family has financial ___difficulty and we need assistance.
