大概意思是：人们遇到了某一疑难事物，并争论不休，对其真伪难以确定。这时真正的行家出现了，他能很快根据经验和专业知识作出准确的判断，于是难题迎刃而解。“The expert will prove the truths or reveal falsehoods.”【公益慈善翻译团】真诚为您解答！
Real experts tell the truth.
Experts have shot a glance
