芥蒂

jièdì
  1. an obstruction
  2. barrier
  3. ill-feeling
  4. grudge

CEDICT

  1. (literary, figurative) animosity; hostility; ill will; grudge
  2. (literary, literally) obstruction; barrier
  3. animosity; hostility; ill will; grudge
  4. obstruction; barrier

Wiktionary

微小的梗塞物。比喻积在心裡使人不快的嫌隙。宋．苏轼〈送路都曹〉诗：「恨无乖崖老，一洗芥蒂胸。」《初刻拍桉惊奇．卷二一》：「古来有多少王公大人天子宰相，在尘埃中屠沽下贱起的，大丈夫正不可以此芥蒂。」也作「蒂芥」。

重編國語辭典

Entry Composition

1 芥 jiè mustard
=2 蒂 dì stem (of fruit)
=2 蒂 dì variant of 蒂 dì

Related entries

屏障 píngzhàng barrier
栏栅 lánzhà barrier
障壁 zhàngbì barrier
障碍 zhàngài
  1. barrier
  2. obstruction
  3. hindrance
  4. impediment
  5. obstacle
戰爭結束之後貿易障礙被解除。

Trade barriers were lifted after the war ended.

Source: Tatoeba

壁垒 bìlěi
  1. rampart
  2. barrier
藩篱 fānlí
  1. hedge
  2. fence
  3. (fig.) barrier
隔阂 géhé
  1. misunderstanding
  2. estrangement
  3. (language etc) barrier
怨怼 yuànduì
  1. resentment
  2. grudge
罅 xià
  1. crack
  2. grudge
怨艾 yuànyì
  1. to resent
  2. to regret
  3. grudge