Idiomsnounjump to other results
to put a lot of effort into doing something correctly She was at great pains to stress the advantages of the new system.
be at pains to do somethingjump to other results
to put a lot of effort into doing something The couple went to great pains to keep their plans secret.
take (great) pains (to do something), go to great pains (to do something)jump to other results
to do something very carefully He always takes great pains with his lectures.
take (great) pains with/over somethingjump to other results