油笔

油筆
yóubǐ
  1. (Northern China, specifically) ballpoint pen
  2. ballpoint pen
  3. pen or writing brush with water-insoluble ink

Wiktionary

Entry Composition

=1 油 yóu
  1. oil
  2. fat
  3. grease
  4. petroleum
  5. to apply tung oil, paint or varnish
  6. oily
  7. greasy
  8. glib
  9. cunning
=1 油 yòu
  1. (obsolete on its own in Standard Chinese) alternative form of 釉 (yòu, “to glaze”)
  2. alternative form of 釉 (yòu, “to glaze”)
  3. used in 浩油
2 笔 bǐ
  1. brushstroke; stroke (in painting or calligraphy)
  2. (bound form) style of writing; literary manner; technique of brushwork
  3. (classifier) stroke of a Chinese character
  4. (classifier) sum of money; financial transaction; piece of business
  5. (literary) to write (with a brush or pen)

classifiers: 支, 枝