讲原则 stick to rules and principles
循规蹈矩 keep to the beaten track
刻板,不太会变通 stiff,not very flexible
听话的,乖的 well-behaved,obedient
庞大而复杂的工作 enormous and complicated task
一道复杂的数学题 a perplexing mathematical problem
浮躁 impatient and impetuous
英语翻译（某人）讲原则循规蹈矩刻板,不太会变通听话的,乖的庞大而复杂的工作（某人）浮躁