弱冠 meaning in English

[书面语] coming of age at 20: 弱冠之年 a 20-year-old man; a youth; a youngster

I have been young and am now old, yet have i not seen the righteous for sunken, nor his seed begging their bread .
余自弱冠，至今垂暮，迄未见正直之士流离失所，亦未见其子孙沦落人寰。
Yao chengguang - the director and main instructor of zongxun wuguan is using the principle of " scientific , systematic , rigorous and standard " pedagogy . he maintains science is the core of his martial art . all principles which are directly opposed to science will lead directly to astray
他八岁起随父习拳，经父亲精心指导培养，自己历时三十九个春秋的磨练，得意拳之真传，尽悉其义且独具风格，弱冠之年即蜚声意拳界及海内外。