“你什么时候回来呀？”“看一下天气怎么样再说啦。”

"When will you be back?" "It all depends on the weather."

"When will you come back?" "It all depends on the weather."

"When are you coming back?" "That all depends on the weather."

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 什么时候 shénmeshíhou when?; at what time?
=3 回来 huílai to return; to come back
=3 回来 huílái
  1. (to come or bring) back (used after a verb to indicate direction towards the speaker)
  2. back (used after a verb to indicate direction towards the speaker)
  3. to return; to come back; to be back
=4 呀 yā
  1. ah (used to express surprise)
  2. (onom.) creaking
=4 呀 ya (particle equivalent to 啊 after a vowel, expressing surprise or doubt)
=5 看 kān
  1. to look after
  2. to take care of
  3. to watch
  4. to guard
=5 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
6 一下 yīxià
  1. (after a verb) a bit; a little (indicating brief duration, or softening the tone, or suggesting giving sth a try)
  2. all at once; suddenly
7 天气 tiānqì weather
8 怎么样 zěnmeyàng
  1. how?
  2. how about?
  3. how was it?
  4. how are things?
9 再说 zàishuō
  1. to say again
  2. to put off a discussion until later
  3. moreover
  4. what's more
  5. besides
=10 啦 lā
  1. (onom.) sound of singing, cheering etc
  2. (phonetic)
  3. (dialect) to chat
=10 啦 la
  1. sentence-final particle, contraction of 了啊, indicating exclamation
  2. particle placed after each item in a list of examples