hit or miss
碰運(yùn)氣,憑運(yùn)氣,憑運(yùn)氣好壞來決定事情的結(jié)果
口語·憑運(yùn)氣決定
英文釋義
unpredictable or haphazard, with a high degree of chance involved
例句
Finding a parking spot downtown is always hit or miss.
典故來源
與hit and miss同源,強(qiáng)調(diào)隨機(jī)性和運(yùn)氣成分。