Translation of "deacair" into English

Ceapaim nach teanga deacair í an Ghaeilge.

I think that Irish is not a difficult language.

Foghlaimíodh ceachtanna deacra maidir le teorainneacha na margaí mar gheall ar an ngéarchéim.

With the crisis, hard lessons have been learnt about the limits of markets.

Luaigh roinnt rannpháirtithe go raibh sé deacair orthu an méid atá ina faisnéis ón taobh istigh a aithint.

The difficulty to clearly identify what to consider inside information was mentioned as problematic by some participants.