他不會說英文，德文就更加不用說了。

He cannot speak English, much less German.

Source: Tatoeba

Sentence Composition

1 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)
2 不會 bùhuì
  1. improbable
  2. unlikely
  3. will not (act, happen etc)
  4. not able
  5. not having learned to do sth
  6. (coll.) (Tw) don't mention it
  7. not at all
=3 說 shuì to persuade
=3 說 shuō
  1. to speak; to talk; to say
  2. to explain; to comment
  3. to scold; to tell off
  4. (bound form) theory; doctrine
=3 說 yuè
  1. (obsolete on its own in Standard Chinese) alternative form of 悅 /悦 (yuè, “happy; delighted”)
  2. alternative form of 悅 /悦 (yuè, “happy; delighted”)
=3 說 tuō
  1. (obsolete on its own in Standard Chinese) alternative form of 脫 /脱 (“to free; to relieve”)
  2. alternative form of 脫 /脱 (“to free; to relieve”)
4 英文 Yīngwén English (language)
5 德文 Déwén German (language)
6 就 jiù
  1. (after a suppositional clause) in that case; then
  2. (after a clause of action) as soon as; immediately after
  3. (same as 就是 jiùshì) merely; nothing else but; simply; just; precisely; exactly
  4. only; as little as
  5. as much as; as many as
  6. to approach; to move towards
  7. to undertake; to engage in
  8. (often followed by 著 zhe) taking advantage of
  9. (of food) to go with
  10. with regard to; concerning
  11. (pattern: 就 jiù ... 也 yě ...) even if ... still ...
  12. (pattern: 不 bù ... 就 jiù ...) if not ... then must be ...
7 更加 gèngjiā
  1. more (than sth else)
  2. even more
8 不用說 bùyòngshuō needless to say; it goes without saying
=9 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=9 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 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 瞭 liǎo)
=9 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=9 了 liào unofficial variant of 瞭 liào