He was only a callow youth.

他只是个无经验的年轻人。

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A callow young toff falls for a beauty of shaky morals and follows her to the end of the world, shedding fortune, scruples and self-respect along the way.

一个乳臭未干的年轻花花公子爱上一个道德成问题的美人并追她到天涯海角，一路散尽家财、抛弃良心和自尊。

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In any case, callow as their ideas sometimes are, the Beatles exemplify a refreshing distrust of authority, disdain for conventions and impatience with hypocrisy.

无论如何，披头士的观点有时仍显稚嫩，他们代表了一股振奋人心力量，对权势质疑，蔑视保守和伪善。

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Among my favourite parts of the book is Mr Mehta's early life in London in the swinging sixties as a callow young man, who arrives from India with a few shillings and bags of Indian tea.

BBC: Vinod Mehta memoir a rare and salacious Indian tell-all

As a callow bond-trader, fresh out of college, he participated in one of the greatest of them all, in Japan in 1986, when the yield on the ten-year benchmark Japanese government bond fell to 2.5%, the discount rate at the time.

ECONOMIST: Buttonwood

They're still a bit callow and more savvy than sophisticated, but they gather their own information and have their own notions of what is worthy.

FORBES: Revenge of the Nerds