我做不到了
“I won't be able to do it.”
THE DIALOGUE REEL
可是我
“But I...”
我 做不到 了
“I won't be able to do it.”
Direct spoken expression in this communicative setting.
Admitting personal inadequacy directly is often accompanied by an explicit sense of burden or moral failure toward others.
LEARNING CHUNKS & PARTICLES
cannot achieve / unable to do
A potential complement structure used to express inability to accomplish a task or meet expectations.
Indicates a change of state, showing that while doing it might have been possible before, it is no longer possible now.