deficient
🇺🇸
/dɪˈfɪʃnt/
🇬🇧
/dɪˈfɪʃnt/
adjective
R
lacking something needed
The soil is deficient in nutrients, so plants don't grow well.
土壤缺乏养分，所以植物生长不好。
R
not good enough
His deficient math skills made the test difficult for him.
他不足的数学技能使考试对他来说很困难。
translation
缺乏的, 不够好的