unable
adj. 不能胜任的，不会的
例句
She is unable to conceive.
她不能怀孕。
《牛津词典》
She was unable to contain her excitement.
她无法抑制内心的激动。
He was unable to control his sensibility.
他无法控制自己敏锐的情感。
《柯林斯英汉双解大词典》
