SYNONYMS
ecstatic, euphoric, thrilled, elated, delighted, overjoyed, on cloud nine, on cloud seven, treading on air, walking on air, jubilant, rapturous, beside oneself with joy, jumping for joy, exultant, transported, delirious, enraptured, blissful, in raptures, like a child with a new toy
informal over the moon, on top of the world, on a high, tickled pink, as pleased as Punch, cock-a-hoop, as happy as a sandboy
British informal as happy as Larry
Northern English informal made up
North American informal as happy as a clam
Australian informal wrapped
SYNONYMS
try one's hardest, try as hard as one can, do one's best, do one's utmost, do all one can, give one's all, make every effort, spare no effort, put oneself out
strive, struggle, exert oneself, work hard, endeavour, try
informal bend over backwards, do one's damnedest, go all out, pull out all the stops, bust a gut, break one's neck, kill oneself
North American informal do one's darnedest, do one's durnedest
Australian, New Zealand informal go for the doctor