我正好上个星期日有空。

I happened to be free last Sunday.

Source: Tatoeba

Sentence Composition

1 我 wǒ
  1. I
  2. me
  3. my
2 正好 zhènghǎo
  1. just (in time)
  2. just right
  3. just enough
  4. to happen to
  5. to chance to
  6. by chance
  7. it just so happens that
3 上个星期 shànggèxīngqī last week
=4 日 Rì abbr. for 日本 Rìběn, Japan
=4 日 rì
  1. sun
  2. day
  3. date, day of the month
5 有空 yǒukòng to have time (to do sth)