不存芥蒂: nonexistence of the stem of mustard plant -- no hatred or grievance against; bear no grudge; nonexistence of any dissatisfaction or discontent
胸: 名词1.(胸部) chest; bosom; thorax 短语和例子挺胸 throw out one's chest; 孩子把脸贴在母亲的胸前。 the child buried its face in its mother's bosom. 她感到胸痛。 she feels an ache in her bosom.2.(心里) mind; heart 短语和例子心胸