to make a firm decision or take a strong stand on something
作出坚定的决定或在某事上采取强硬立场 (zuochu jianding de jueding huo zai moushi shang caiqu qiangying lichang)
"She had to put her foot down and say no to the proposal."
"她不得不坚持立场并拒绝了那个提议。" (ta bude bu jianchi lichang bing jujue le nage tiyi)
to travel frequently; to not stay in one place for long
The relationship between how much of something is available...
to surprise someone with something unexpected
to have a disagreement or fight with someone
to have a clear idea or dream for the future
being far superior to others in a particular field.