Difficult or awkward to do; describes an action or task that is hard to carry out or inconvenient.
この古いスマホは操作が遅くてやりにくい。
This old smartphone is slow to operate and awkward to use.
片手で書くのはやりにくいから、テーブルに置いて書こう。
Writing with one hand is difficult, so let's put it on the table and write.
彼とは話がやりにくい。意見が合わないことが多いからだ。
It's hard to talk with him; we often disagree.