neck and neck
并驾齐驱, 不分上下
例句与用法：
Sales analyses show these two products are still vying neck and neck to corner the market.
销售分析表明，这两种产品在竞争垄断市场方面仍然不分高低。
It is a neck and neck horse race right down to the wire.
这次跑马赛从头到尾都胜败难分。
The two contestants are neck and neck with 20 points each.
比赛双方各得20分，打成平局。
Russia and the United States are neck and neck in the race to send a manned spacecraft to Mars.
苏联和美国在发射载人宇宙飞船去火星的研制方面，可以说是并驾齐驱，不相上下。
词形变化：
形容词: neckless | 动词过去式: necked | 动词过去分词: necked | 动词现在分词: necking | 动词第三人称单数: necks |
ph.
不分上下; 并驾齐驱
It was a neck and neck horse race right down to the wire.
这次跑马赛自始至终都胜败难分。