effort作精力可数吗
effort表达不同意思时既是可数也是不可数。不可数:表示力量和精力。
I can carry it without effort、
Its a waste of time and effort、
可数:to do sth 努力,奋斗、
Your effort is bound to be successful、
effort指“努力”时,是抽象名词,不可直接用于make后。只能以aneffort,efforts,every efforts等形式出现;
表示相反的状态时,用without effort或without great effort中,注意是单数effort;
effort可用于以下句型中:Effort has been made to、、、(不定式),Effort has been directed to、、、(介词)或make special effort to、、、(不定式)等。