trickiness
🇬🇧/ˈtrɪkɪnɪs/ 🇺🇸/ˈtrɪkɪnəs/the quality of being tricky, or the quality of requiring skill or caution.
noun [抽象名词] 诡计多端;狡猾;棘手;欺骗
There is one trickiness about this reaction. 关于这个反应有个棘手处。
There is one trickiness about this reaction. 关于这个反应有个棘手处。