问长问短

問長問短
wènchángwènduǎn

to ask about the length and breadth of various things; to ask all sorts of (trivial) questions

Wiktionary

Entry Composition

1 问 wèn to ask; to inquire
=2 长 cháng
  1. long
  2. (bound form) length
  3. (bound form) strong point; forte
  4. (bound form) to be good at
  5. (literary) surplus; spare (Taiwan pr. zhàng)
=2 长 zhǎng
  1. chief
  2. head
  3. elder
  4. to grow
  5. to develop
  6. to increase
  7. to enhance
3 问 wèn to ask; to inquire
4 短 duǎn
  1. short
  2. brief
  3. to lack
  4. weak point
  5. fault