成语名称：洞若观火：clear like looking at a fire英语： clear like looking at a fire成语近义： 一目了然(yī mù liǎo rán)：目：看。了然：明明白白的样子。一眼就看得很清楚...
成语名称：洞如观火：see something as clear as a blazing fire英语： see something as clear as a blazing fire成语近义： 洞若观火(dòng ruò guān h...
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