vain A: adj. 伪造的；冒充的 B: adj. 东方的；东方人的 C: adj. 徒劳的；自负的；无用的 未知类型：{'url': 'https://nodestatic-ali.fbstatic.cn/static-files/1625562189590_vain', 'audioId': '1625562189590_vain', 'duration': 0, 'type': 185}
vain A: adj. 伪造的；冒充的 B: adj. 东方的；东方人的 C: adj. 徒劳的；自负的；无用的 未知类型：{'url': 'https://nodestatic-ali.fbstatic.cn/static-files/1625562189590_vain', 'audioId': '1625562189590_vain', 'duration': 0, 'type': 185}
To cry over spilled milk is to cry（） A: in a vain B: in the vain C: in vain D: in no vain
To cry over spilled milk is to cry（） A: in a vain B: in the vain C: in vain D: in no vain
If people don’t learn from this, then his suffering and death were __________. A: in vain B: on vain C: for vain D: to vain
If people don’t learn from this, then his suffering and death were __________. A: in vain B: on vain C: for vain D: to vain
vain
vain
2. do sth. in vain:____________
2. do sth. in vain:____________
翻译词组:be vain and superficial: ____
翻译词组:be vain and superficial: ____
It was a vain attempt to ___________ the responsibility for the murder to somebody.
It was a vain attempt to ___________ the responsibility for the murder to somebody.
Mary is as vain as a peacock and always wants to the __________ of attention.
Mary is as vain as a peacock and always wants to the __________ of attention.
He ____ in vain to make his wife happy.
He ____ in vain to make his wife happy.
We know that their deaths were not___(in vain).
We know that their deaths were not___(in vain).