xin1
de2
  1. what one has learned (through experience, reading etc)
  2. knowledge
  3. insight
  4. understanding
  5. tips
  6. CL:項|项[xiang4],個|个[ge4]

Examples

他雖然擺着一副若無其事的樣子,但是我想他心裏一定擔心得不得了。

Info