blood will out
US /blʌd wɪl aʊt/
UK /blʌd wɪl aʊt/

成语
1.
血脉终会显现, 本性难移
a person's true character or background will eventually be revealed, especially if they have noble or wicked ancestors
示例:
•
He tried to hide his humble origins, but blood will out in his natural grace.
他试图掩盖自己卑微的出身,但他天生的优雅证明了血脉终会显现。
•
Even though he was raised in a different environment, his father's temper showed that blood will out.
尽管他在不同的环境中长大,但他父亲的脾气说明了血浓于水(本性难移)。
在 Lingoland 学习这个单词