“还要咖啡吗？”“不了，谢谢。”

"More coffee?" "No, thanks."

Source: Tatoeba

Sentence Composition

=1 还 Huán surname Huan
=1 还 hái
  1. still
  2. still in progress
  3. still more
  4. yet
  5. even more
  6. in addition
  7. fairly
  8. passably (good)
  9. as early as
  10. even
  11. also
  12. else
=1 还 huán
  1. to pay back
  2. to return
=2 要 yāo (bound form) to demand; to coerce
=2 要 yào
  1. to want; to need; to ask for
  2. will; shall; about to
  3. need to; should
  4. if (same as 要是 yàoshi)
  5. (bound form) important
=2 要 yǎo
  1. (archaic) alternative form of 偠 (yǎo)
  2. alternative form of 偠 (yǎo)
  3. used in 要褭／要袅
3 咖啡 kāfēi (loanword) coffee

classifier: 杯
=4 吗 má (coll.) what?
=4 吗 mǎ used in 嗎啡 mǎfēi
=4 吗 ma (question particle for "yes-no" questions)
=5 不了 bùle no thanks (used to politely but informally decline)
=5 不了 bùliǎo
  1. (as a resultative verb suffix) unable to (do sth)
  2. (pattern: {verb} + 個 ge + ~) without end; incessantly
6 谢谢 xièxie
  1. to thank
  2. thanks
  3. thank you