这本书汤姆看了多久？

How long did it take Tom to read this book?

Source: Tatoeba

Sentence Composition

=1 这 zhè
  1. (pronoun) this; these
  2. (bound form) this; the (followed by a noun)
  3. (bound form) this; these (followed by a classifier) (in this sense, commonly pr. zhèi, esp. in Beijing)
=1 这 zhèi (coll.) this
2 本书 běnshū
  1. book of genealogy
  2. original book; original work
  3. this book
3 汤姆 Tāngmǔ Tom (name)
=4 看 kān
  1. to look after
  2. to take care of
  3. to watch
  4. to guard
=4 看 kàn
  1. to see; to look at
  2. to read
  3. to watch
  4. to visit; to call on
  5. to consider; to regard as
  6. to look after
  7. to treat (a patient or illness)
  8. to depend on
  9. to feel (that)
  10. (after a verb) to give it a try
  11. to watch out for
=5 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=5 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 无 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 了 liǎo)
=5 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=5 了 liào unofficial variant of 瞭 liào
6 多久 duōjiǔ
  1. (of time) how long?
  2. (not) a long time