Meaning:

芥蒂 (jièdì) hard feelings, unpleasantness

Usage:

“芥蒂”指细小的梗塞物，后来指对人或对事有怨恨或不愉快的情绪。

“芥蒂” referred to a small blockage; later, it came to mean the feeling of resentment or unpleasantness towards as person or thing.

Examples:

1. 他们的误会太深，很难一下子解开彼此的芥蒂。

    Tāmen de wùhuì tàishēn, hěnnán yīxiàizi jiěkāi bǐcǐ de jièdì.

    Their misunderstanding is so deep; it may be hard to clear up the unpleasantness between them immediately.

2. 你不能因为心有芥蒂就停止工作。

    Nǐ bùnéng yīnwèi xīnyǒujièdì jiù tíngzhǐ gōngzuò

    You cannot stop working because of unpleasant feelings.