try hard

See: attempt
References in classic literature ?
After the crows had gone I thought this over, and decided I would try hard to get some brains.
I know I might keep it off if I only tried hard enough, and sometimes I do try hard enough, and at other times I don't and won't.
I've thought a great deal lately about my `bundle of naughties', and being selfish is the largest one in it, so I'm going to try hard to cure it, if I can.
The whoops was warnings that would come to us every now and then, and if we didn't try hard to make out to understand them they'd just take us into bad luck, 'stead of keep- ing us out of it.
Much as the Kuwaiti team will try hard to have a second victory and increase its opportunity to cruise into the semi-finals, the UAE will surely seek their first one so as to keep chances to qualify and defend the title.
Each time we get to a new city, I try hard to get on with people but it doesn't come to anything.
Sorry but I sympathise with all students who try hard, but debt collectors can push people to suicide.
It will be a very good experience and I am sure I will learn a lot from the England team but will try hard to give them a tough time too.
And maybe, as we carry out our busyness, we can try hard to smell the fragrance of Jesus' burial.
We try hard not to force people to cry,'' Blackwell said.
And you'd try hard to make your purchase at a discount, like most people do when they buy everyday items.
Individuals who try hard and still do not succeed achieve victim status, a status that, among the egalitarians, is akin to sainthood.