当时正是早高峰，来来往往的行人和车辆很多。

It was the morning rush hour, and there were a lot of passing pedestrians and cars.

Source: Tatoeba

Sentence Composition

=1 当时 dāngshí
  1. then
  2. at that time
  3. while
=1 当时 dàngshí
  1. at once
  2. right away
2 正是 zhèngshì is precisely
3 早高峰 zǎogāofēng morning rush hour
4 来 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 回來 huílai)
  4. ever since (as in 自古以來 zìgǔyǐlái)
  5. for the past (amount of time)
  6. (prefix) the coming ...; the next ... (as in 來世 láishì)
  7. (between two verbs) in order to
  8. (after a round number) approximately
  9. (used after 得 dé to indicate possibility, as in 談得來 tándelái, or after 不 bù to indicate impossibility, as in 吃不來 chībulái)
5 来往 láiwǎng
  1. to come and go
  2. to have dealings with
  3. to be in relation with
=6 往 wǎng
  1. to go (in a direction)
  2. to
  3. towards
  4. (of a train) bound for
  5. past
  6. previous
=6 往 wǎng old variant of 往 wǎng
=7 的 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 pígéde "one made of leather" or 跑堂兒的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=7 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=7 的 dí really and truly
=7 的 dì (bound form) bull's-eye; target
8 行人 xíngrén
  1. pedestrian
  2. traveler on foot
  3. passer-by
  4. official responsible for arranging audiences with the emperor
=9 和 hé old variant of 和 hé
=9 和 Hé surname He
=9 和 hé
  1. (joining two nouns) and; together with; with (Taiwan pr. hàn)
  2. (math.) sum
  3. to make peace
  4. (sports) to draw; to tie
  5. (bound form) harmonious
  6. (bound form) Japan; Japanese
=9 和 hè
  1. to compose a poem in reply (to sb's poem) using the same rhyme sequence
  2. to join in the singing
  3. to chime in with others
=9 和 hú to complete a set in mahjong or playing cards
=9 和 huó
  1. to combine a powdery substance (flour, plaster etc) with water
  2. Taiwan pr. huò
=9 和 huò
  1. to mix (ingredients) together
  2. to blend
  3. classifier for rinses of clothes
  4. classifier for boilings of medicinal herbs
=9 和 hé (literary) harmonious (variant of 和 hé)
=9 和 huo
  1. (obsolete on its own in Standard Chinese) warm
  2. warm
10 车辆 chēliàng vehicle
11 很多 hěnduō many; much; a lot