一.lack用作名词时基本意思是“缺乏,不足”,不可数,只用作单数形式,其前面加不定冠词a,常与介词of连用。
a lack of money. 缺乏金钱
Hard work can often make up for a lack of ability.
努力工作经常可以弥补能力的不足。
Their failure to reply to our letter seems to imply a lack of interest.
他们没有回我们的信,似乎暗示他们缺乏兴趣。
He can’t endure the lack of food. 没有食物,他再也坚持不下去了。
二.用作及物动词表示“缺乏;不足;没有”
To be entirely without or have very little of.缺乏:根本就没有或仅有一点
To be in need of.需要
She lacks patience in dealing with children. 与孩子打交道她缺少耐心。
三.用于不及物动词还可作“缺乏,短少;不足;需要。常用进行时
1.To be wanting or deficient:缺乏:处于匮乏或不足状态:
You will not be lacking in support from me.你将得到我的帮助
2.To be in need of something:需要:需要某物:
I lacked for nothing.我不需要任何东西
They lacked for nothing.他们无所需求(应有尽有)。