這就是他用來簽署那份文件的筆了。

This is the pen that he signed the document with.

Source: Tatoeba

Sentence Composition

1 這就 zhèjiù
  1. immediately
  2. at once
=2 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=2 shì variant of shì
3 他用 yòng
  1. other use
  2. other purpose
4 lái
  1. to come
  2. (used as a substitute for a more specific verb)
  3. hither (directional complement for motion toward the speaker, as in 回来 huílai)
  4. ever since (as in 自古以来 lái)
  5. for the past (amount of time)
  6. (prefix) the coming ...; the next ... (as in 来世 láishì)
  7. (between two verbs) in order to
  8. (after a round number) approximately
  9. (used after to indicate possibility, as in 谈得来 tándelái, or after to indicate impossibility, as in 吃不来 chībulái)
5 簽署 qiānshǔ to sign (an agreement)
=6 surname Na
=6 Nuó surname Nuo
=6 variant of
=6
  1. (specifier) that; the; those (colloquial pr. nèi)
  2. (pronoun) that (referring to persons, things or situations)
  3. then (in that case)
=6 nuó
  1. (archaic) many
  2. beautiful
  3. how
  4. old variant of nuó
7 fèn
  1. classifier for gifts, newspaper, magazine, papers, reports, contracts etc
  2. variant of fèn
8 文件 wénjiàn
  1. document
  2. file

classifier:

=9 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 de "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. or di in poetry and songs
=9 a taxi; a cab (abbr. for 的士 shì)
=9 really and truly
=9 (bound form) bull's-eye; target
10
  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: ,

=11 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=11 liǎo
  1. to finish
  2. (used with or after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as or ) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of liǎo)
=11 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=11 liào unofficial variant of liào