Definition

1. Adjective:
   • Physically weak; lacking in strength or vitality: Describes a person or animal whose body has diminished power, energy, or resilience, often due to illness, age, exhaustion, or poor health.
   • Weak in force or intensity: Can describe something non-physical, such as an argument or signal, that is feeble or not powerful.

Usage Examples

• Adjective:
  • Sau trận ốm dài, anh ấy vẫn còn rất yếu sức. (After a long illness, he is still very weak.)
  • Con ngựa già đã yếu sức và không thể kéo xe nặng nữa. (The old horse had become weak and could no longer pull the heavy cart.)
  • Tín hiệu wifi ở phòng này hơi yếu sức. (The wifi signal in this room is rather weak.)

Advanced Usage

• The term is often used to describe a temporary or chronic state of physical debility. It is more specific than the general word "yếu" (weak) as it directly references strength ("sức").

Variants and Related Words

• Suy yếu (adj): to weaken, to decline (often in health or power).
  • Sức khỏe của bà cụ đang dần suy yếu. (The old woman's health is gradually weakening.)
• Kiệt sức (adj): exhausted, completely drained of strength.
  • Vận động viên đã kiệt sức khi về đích. (The athlete was exhausted when crossing the finish line.)

Synonyms

• Weak
• Feeble
• Debilitated
• Lacking strength

Related Idioms

• Yếu sức yếu lực: To be weak in both body and capability; to be thoroughly enfeebled.
  • Ông ấy giờ đã yếu sức yếu lực, không làm được việc nặng. (He is now weak in body and capability, unable to do heavy work.)