To express that an action is difficult, the auxiliary adjective may be づらい is appended to the verb stem.
Properties of づらい as an auxiliary adjective include:
- Used with verbs that involve intention.
- Action can be accomplished, but requires hard work to do so (has obstacles to overcome).
- More subjective to the person doing the task than にくい and がたい.
- Describing actions as easy or hard – Tae Kim’s Japanese grammar guide (guidetojapanese.org)