open-and-shut
01
清楚明了的, 显而易见的
clearly and easily determined
例子
The case was open-and-shut, with clear evidence of the defendant's guilt.
这个案子是一目了然的，有明确的证据证明被告有罪。
It was an open-and-shut decision for the committee to approve the proposal.
对于委员会来说，批准该提案是一个显而易见的决定。
