like: trục trặc
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
trục trặc * ☊ 
difficulty; to run into difficulties, go awry * ☊
[ trục ] : (1) axis, shaft, Axis (powers in WWII); (2) to expel, force out; (3) to hoist, jack up, lift
[ trặc ] : to sprain