入木三分

tā de shū fǎ cāng jìng yǒu lì rù mù sān fēn

他的书法苍劲有力，入木三分。

He writes a forceful hand, with bold and vigorous strokes.

zhè wèi jīng jì xué jiā de fēn xī zhēn shi rù mù sān fēn

这位经济学家的分析真是入木三分。

The economist's analysis was really penetrating.

tā de xiǎo shuō duō yǐ duì měi guó zhōng chǎn jiē jí jiā tíng shēng huó de shēn kè miáo xiě ér zhù míng kè huà rù mù sān fēn

她的小说多以对美国中产阶级家庭生活的深刻描写而著名，刻画入木三分。

Her novels are characterized by the vivid description of American middle-class family life by her delicate and penetrating writing style.