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315 Activities V
exact: like: trục trặc
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