deficient
🇺🇸
/dɪˈfɪʃnt/
🇬🇧
/dɪˈfɪʃnt/
adjective
R
lacking something needed
The soil is deficient in nutrients, so plants don't grow well.
土壤缺乏養分，所以植物生長不好。
R
not good enough
His deficient math skills made the test difficult for him.
他不足的數學技能使考試對他來說很困難。
translation
缺乏的, 不夠好的