verb · to intentionally put someone in a difficult position or create obstacles for them

我只是按规矩办事，并没有故意为难你的意思。

adjective, verb · to feel embarrassed, awkward, or in a dilemma regarding a social situation

面对这两个截然不同的选择，他感到十分为难。

adjective, verb · to find a specific task or situation hard to manage, solve, or carry out

这道复杂的数学题确实让我感到十分为难。