Ink can be pretty tough to get out, but most ballpoint pen ink stains come out with lots of persistence and patience.

墨迹很难清除，不过，只要有足够的恒心与耐心，大部分圆珠笔印迹都是可以清除的。

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His paintings pen ink, rich and varied, clever new composition, creating a fresh and smooth style, in the "Orthodox" outside a unique identity.

他的画用笔用墨，丰富多变，构图新巧，创造了一种清新流畅的独特风格，在“正统派”外别树一帜。

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My pen is out of ink.

我的笔没有墨水了。

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She began making a pen and ink drawing for a story in a magazine.

VOA: special.2009.08.01

Increasingly, though, his energies were devoted to mixed-media drawings in black chalk, watercolour, pen and ink, often depicting Parisian street life: drinkers, gossips, entertainers, railway passengers.

ECONOMIST: Honor�� Daumier

Today's electronic forms of communication may lack that emotional depth but they do enable us to connect more speedily and efficiently than I at least could manage with pen and ink.

BBC: A Point of View: Mourning the loss of the written word

In fact, the artist, William A. Noguera, has entrusted her with nearly every facet of his life as he labors over the canvas of original works in a craft he has developed over 30 years, most notably pen and ink stippling.

FORBES: The Mastery of The Escape Artist