1. To fall: This is the most common meaning of "guka." It can refer to falling down, falling asleep, or falling ill.
* Examples:
* Mwana guka (The child fell.)
* Ndugu guka muthuri (The brother fell asleep.)
* Mũthemba guka marĩa (The old man fell sick.)
2. To decrease, to decline: "Guka" can also mean to lessen or diminish in quantity or quality.
* Examples:
* Ngũrũ guka mũthemba (The milk has decreased.)
* Ũthũngũ wa mũthemba guka (The old man's strength has declined.)
3. To be defeated: In a figurative sense, "guka" can mean to be overcome or defeated.
* Example:
* Nĩ mũnene mũthemba, atĩa mũthemba mũnene guka (He is very strong, how can someone so strong be defeated?)
4. To be lost: "Guka" can also mean to be lost, either physically or metaphorically.
* Example:
* Mũthenya mũnene mũthemba guka mũthenya (The large house was lost in the fire.)
It's important to consider the context of the sentence to understand the precise meaning of "guka." If you provide more context, I can help you determine the specific meaning.