他的知识不足以应对这个问题。
tāde zhīshí bùzú yǐ yìngduì zhègè wèntí 。
His knowledge is insufficient to handle this problem.
这家公司最近的资金不足。
zhè jiā gōngsī zuìjìn de zījīn bùzú 。
This company has been lacking funds recently.
你的努力不足以达到目标。
nǐde nǔlì bùzú yǐ dádào mùbiāo 。
Your efforts are not enough to reach the goal.