にくい

suffix, i-adjective

difficult to ...; hard to ...

Attaches to the -masu stem of a verb to express that the action is difficult or hard to do. Often implies an inherent difficulty rather than a temporary inability.

• この漢かん字じは覚おぼえにくい。

  This kanji is hard to remember.

• 彼かれの説せつ明めいは分わかりにくかった。