不善言辭

不善言辞
bùshànyáncí

to be untalkative, ineloquent or inarticulate

Wiktionary

Entry Composition

1 不善 bùshàn
  1. bad
  2. ill
  3. not good at
  4. not to be pooh-poohed
  5. quite impressive
2 言辭 yáncí
  1. words
  2. expression
  3. what one says