neck and neck 

英汉解释

并驾齐驱，不分上下

同义词

r. head-to-head，nip and tuck
a. head-to-head，nip and tuck

参考例句

1. The two students study neck and neck.
这两个学生的成绩不分上下。
2. The two students were studying neck and neck.
这两个学生学习的成绩不分上下。
3. The first published results, of 10% of the polling stations, showed the rivals almost neck and neck.
第一批公布的来自10%的投票站结果显示，这对竞争者不分上下。

英英解释

adj.
  1. inconclusive as to outcome; close or just even in a race or comparison or competition
  2. even or close in a race or competition or comparison

网络释义

neck and neck
马脖子靠着马脖子（齐头并进，不分轩轾）; 不分上下; 并驾齐驱; 并排;
run neck and neck
并驾齐驱;
be neck and neck
与...齐头并进; 不分上下:; 不分上下;
neck-and-neck
并排的,并驾齐驱的; 势均力敌;
the neck-and-neck presidential election result o
不分上下的总统选举结果;