湯姆知道自己在說什麼。

Tom knows whereof he speaks.

Source: Tatoeba

Sentence Composition

1 湯姆 Tāngmǔ Tom (name)
2 知道 zhīdào
  1. to know; to become aware of
  2. also pr. zhīdao
3 自己 zìjǐ
  1. oneself
  2. one's own
4 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)
=5 說 shuì to persuade
=5 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
=5 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”)
=5 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”)
6 什麼 shénme
  1. what?
  2. something; anything