heartstring

heart.string

n.（名词）
heartstrings The deepest feelings or affections:
heartstrings 心弦：最深的情感或爱恋：
例句：
a tug at the heartstrings.
触动心弦

One of the nerves or tendons formerly believed to brace and sustain the heart.
过去被认为是包裹和支持心脏的一簇神经或肌腱