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INTERMEDIATE LEVEL
Content
→ → →
5000FR: 
trouble ☊ 
turmoil, agitation, blurred, cloudy, trouble
5000FR: troubler ☊ to disturb, disrupt, cloud
like: trouble → →
trouble ☊ la cause de ces troubles reste mal connue ☊
troubler ☊ j’ai cru que cela me troublerait ☊