toss-up
n.
"even matter," 1809, from earlier sense of "a flipping of a coin to arrive at a decision" (c.1700), from verbal phrase, from toss, v. + up, adv..
| 词汇 | toss-up |
| 词根词缀 | Online Etymology Dictionary toss-up n. "even matter," 1809, from earlier sense of "a flipping of a coin to arrive at a decision" (c.1700), from verbal phrase, from toss, v. + up, adv.. |
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