不足 bù zú insufficientlackingdeficiencynot enoughinadequatenot worthcannotshould not Example sentences 全世界都有能源不足的问题。 quán shìjiè dōu yǒu néngyuán bùzú de wèntí. There are energy problems in the world 我昨天睡眠不足,所以今天没什么精神。 wǒ zuótiān shuìmián bùzú, suǒyǐ jīntiān méishénme jīngshén. I didn't sleep enough yesterday, so today I'm lethargic 经过这次的面试我了解到自己还有很多不足的地方可以进步。 jīngguò zhè cì de miànshì wǒ liǎojiě dào zìjǐ háiyǒu hěnduō bùzú de dìfāng kěyǐ jìnbù. After this interview, I learned that there are still many deficient areas where I can progress