fish out of water - out of ones element or natural environment 　　flying colors -success,victory 　　for good - permanently; forever 　　for the time being - for now; temporarily 　　get away with - escape without punishment 　　get rid of - give something away; sell, destroy, or throw away something 　　get the ball rolling - start something; make a beginning 　　get the hang of - understand; learn 　　give a hand - help 　　go without saying - understood; clear without needing to be stated 　　go off -begin to ring 　　hang on - keep hold of; persevere;keep doing something 　　hard to come by - difficult to obtain 　　have a heart - have kind feelings; be understanding 　　have a hunch - have an idea based on feelings rather than reason 　　hold off - delay;postpone 　　hop to it - get started on something quickly 　　hit it off - get along well with someone 　　ill at ease - uncomfortable 　　in hot water - in trouble