carry through clear the decks comb consider every angle exhaust every move follow out follow through follow up forearm go all lengths go all out go for broke go the limit guard against hedge leave nothing undone leave out nothing look all over look everywhere make every effort make sure make sure against not relax not rest overlook no possibility overlook nothing play safe prepare for provide a hedge provide against provide for rake ransack reef down rifle rummage scour search high heaven see it through see out shake shake down shorten sail spare no effort spare no pains take measures take precautions take steps toss turn inside out turn upside down