△lack

n.缺乏、短缺

The plants died for lack of water.

( A ) lack of exercise made her become fatter and fatter.

vt.沒有、缺乏、不足

I lacked courage to do it.

For lack of food, they will die of hunger.

→Lacking food / Being short of food, they will die of hunger.

(1) sth. be lacking

Their courage is lacking.

Good food was lacking.

(2)be lacking in 指人缺乏某種品質(zhì)

He seems to be lacking in confidence/humour.

(3)vi.?lack for 只用于否定句

She doesn’t lack for friends.

As he is rich, he lacks for nothing.