CEDICT
written in a forceful hand; penetrating; profound
Wiktionary
晋朝王羲之书祝版,工人削版,墨迹透入木板三分的故事。典出唐.张怀瓘《书断.卷二.王羲之》。本形容笔力遒劲。后比喻评论深刻中肯或描写精到生动。
重編國語辭典
維基詞典
All at once she began to shout in a shrill voice.
Source: Tatoeba