ولكي

In a sentence

• قرأتُ الكتاب ولَكِ أفهمه جيدًا.

  I read the book but didn't understand it well.

  In this sentence, 'ولكي' is used as a conjunction meaning 'but/and yet', introducing a contrast between clauses.

• سعيتُ جاهداً ولَكِ أحقق الحلم.

  I strived hard but didn't achieve the dream.

  Here, 'ولكي' connects the effort described in the first clause to the unexpected result in the second clause.

• أحب المعرفة ولَكِ تحدياتها أحياناً صعبة.

  I love knowledge, but its challenges are sometimes difficult.

  The term 'ولكي' introduces a contrast between an affinity for knowledge and the difficulties associated with it.