Matching Pairs English Conversation Matching PairsOnline version Pairs activity for english class by Tamarah Black 1 Back to square one 2 Err on the side of caution 3 Can of worms 4 Escalate 5 Explore all avenues 6 Choke point 7 Direction Consider all available options An action that could lead to a LOT of other issues To report an issue to upper management Guidance or advice offered by mangers to their subordinates A bottleneck; something that blocks the execution of a project Act more carefully and take no risk To restart; to disregard previous plans