Similar words: spare no expense, spare no pains, domino effect, effort, effortful, effortless, waste of effort, effortlessly.
31. The city will spare no effort to ensure the safety of its citizens.
32. We should spare no effort to repair the old temple.
33. You should spare no effort to study and catch up with the others.
More similar words: spare no expense, spare no pains, domino effect, effort, effortful, effortless, waste of effort, effortlessly, make every effort, effortlessness, compare notes, transparent, enough and to spare, transparency, transparence, transparently, semitransparent, adrenocortical, neither here nor there, adrenocorticotropic, coefficient, placebo effect, put into effect, come into effect, spare parts, coefficient of friction, spare part, correlation coefficient, renown, efferent.