英语翻译what sort of conceptual and formal obstacles did you fac

英语翻译
what sort of conceptual and formal obstacles did you face?
what sort of queations were raised in your work?were there specific ethical issues you had to consider?
what sorts of formal queations did you contend?
what sorts of formal queations did you
少打了个with~
contend with 和contend 意思应该不同吧~