expert (adjective) expert: knowledgeable, proficient
Sinonime: attempt, do one's best, drive for, give a go, give a whirl, go after, go all out, go for, have a crack, have a go, have a rip, have a shot, have a stab, have a whack, make a pass at, make a stab, make an attempt, make an effort,
risk, shoot for,
tackle, undertake, vie for
Antonime: amateur, inexpert, unknowledgeable, unskilled, untrained