unfruitful
['ʌn'fru:tfəl]
adj.无效果的, 徒然的, 空的
例句与用法：
I find her very aloof and unfriendly.
我觉得她非常冷淡，不好相处。
Do not think that Americans are in such a hurry that they are unfriendly.
不要认为美国人如此匆忙是不友善的。
Tom is very unfriendly to me as well.
汤姆对我也很不友善。
He wasn't just unfriendly, he was downright rude.
他不仅仅是态度冷淡，简直是无礼透顶。
He treated us unfriendly.
他对我们很冷淡。
词形变化：
副词: unfruitfully | 名词: unfruitfulness |
详细释义：
a.
1. 不结果实的; 不毛的; 不生子女的
2. 无效益的