to spend time doing casual activities
花时间做随意的活动 (huā shíjiān zuò suíyì de huódòng)
"We’ll knock around the city after the workshop."
"我们将在工作坊之后在城市里闲逛。" (wǒmen jiāng zài gōngzuò fāng zhīhòu zài chéngshì lǐ xiánguàng)
to save money for future emergencies
so surprised that you cannot speak
to understand something that is complicated or unclear
to have no time or energy left; to be overwhelmed
to be in trouble, especially with someone you care about
taking advantage of a current trend or success