Definition

1. Adjective:
   • Inferior / Poor: Lacking in quality, skill, or ability; below an acceptable standard.
   • Weak / Deficient: Having a low level of competence, knowledge, or capability in a specific area.
   • Mediocre: Of only moderate or ordinary quality; not very good.

Usage Examples

• Adjective:
  • Học lực của nó rất kém cỏi. (His academic performance is very poor.)
  • Anh ấy là một người quản lý kém cỏi. (He is an incompetent manager.)
  • Chúng tôi không thể chấp nhận kết quả kém cỏi như vậy. (We cannot accept such mediocre results.)

Advanced Usage

• "kém cỏi về": to be poor/deficient in (a specific subject or skill).
  • Cô ấy cảm thấy mình kém cỏi về môn toán. (She feels she is weak in mathematics.)

Variants and Related Words

• Kém (adj): Poor, weak, bad. A more general and common synonym.
  • Sức khỏe của ông ấy đang kém dần. (His health is gradually getting worse.)

Synonyms

• Incompetent: Not having the necessary skills to do something successfully.
• Incapable: Unable to do or achieve something; lacking the required quality.
• Substandard: Below the usual or required standard.

Related Idioms

• Kém cạnh: To be inferior compared to someone/something else; to pale in comparison.
  • Sản phẩm của họ kém cạnh so với đối thủ. (Their product is inferior compared to the competitor's.)

1. Weak,
   • Học lực kém cỏi
     To have a weak stantard of knowledge