男孩在问一个问题。

The boy is asking a question.

Source: Tatoeba

Sentence Composition

1 男孩 nánhái boy

classifier: 個
2 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
3 问 wèn to ask; to inquire
=4 一个 yīge
  1. a; an; one
  2. the whole (afternoon, summer vacation etc)
=4 一个 yīgè
  1. Combination of the numeral 一 (“one”) and the generic classifier 個／个: a; an; one
  2. same
5 问题 wèntí
  1. question
  2. problem
  3. issue
  4. topic

classifier: 個