在你面前我說不出話來。

I get tongue-tied in front of you.

Source: Tatoeba

Sentence Composition

1 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
=2 你 nǐ you (informal, as opposed to courteous 您 nín)
=2 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.)
3 面前 miànqián
  1. in front of
  2. facing
  3. (in the) presence (of)
4 我說 wǒshuō
  1. I wondered that and now it makes sense that...
  2. Used other than figuratively or idiomatically: see 我, 說 /说.
5 不出 bùchū to not exceed; to not surpass
6 話 huà
  1. dialect
  2. language
  3. spoken words
  4. speech
  5. talk
  6. words
  7. conversation
  8. what sb said

classifiers: 種, 席, 句, 口, 番
7 來 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 回来 huílai)
  4. ever since (as in 自古以来 zìgǔyǐlái)
  5. for the past (amount of time)
  6. (prefix) the coming ...; the next ... (as in 来世 láishì)
  7. (between two verbs) in order to
  8. (after a round number) approximately
  9. (used after 得 dé to indicate possibility, as in 谈得来 tándelái, or after 不 bù to indicate impossibility, as in 吃不来 chībulái)