百般刁难

百般刁難
bǎibāndiāonàn
(idiom) to put up innumerable obstacles; to create all kinds of difficulties

CEDICT

to create innumerable obstacles; to make things difficult for; to create obstructions of every description

Wiktionary

找毛病，想尽办法阻碍

維基詞典

Entry Composition

1 百般 bǎibān
  1. in hundred and one ways
  2. in every possible way
  3. by every means
2 刁难 diāonàn
  1. to be hard on sb; to deliberately make things difficult
  2. Taiwan pr. diāonán