insufficient

adj.不足的,不够的n.不足

不足的；不够的；不充分的

形容词

1、The supplies were insufficient to meet the demands of the population.
这些物资不足以满足人口的需求。

2、His explanation was insufficient and did not convince me.
他的解释不够充分，没有让我信服。

3、The team's efforts were deemed insufficient to win the game.
人们认为球队的努力不足以赢得比赛。