I find it challenging. It requires a lot of concentration and determination.
我觉得这份工作很有挑战性,需要充分的专注和很大的决断力.
Concentration: (U) [对工作等的] 集中力,注意力,专心[on, upon]
Too much ~ on one aspect of a problem is dangerous.
过度专注于问题的一 面是危险的
Determination
a. 决心,决意; 决断力
carry out a plan with ~
断然实行计画
with an air of fixed ~
表现出坚定的决意
a man of great ~
决心坚定的人
b. <想做…的>决心,决意
his ~ to master English
他要彻底学会英语的决心