The dangers of such action are self-evident.
这样的行动，其危险是明摆着的。
牛津词典
a self-evident truth
不证自明的真理
牛津词典
It is self-evident that we will never have enough resources to meet the demand...
不言而喻，我们永远都不会有足够的资源来满足需求。
The implications for this country are self-evident.
对该国的影响显而易见。
We hold these truths to be self - evident, that all men are created equal.
我们认为这些真理是不言而明的，人生来就是平等的。
期刊摘选
Let the world in this year as the opportunity is self evident.
让我们在今年的世界的机会是不言自明.
期刊摘选
The latter point may not be self evident.
后面的点可能一时不是很明显.
期刊摘选
"an axiomatic truth"
"we hold these truths to be self-evident"