also heeltap, 1680s, "one of the bits of leather that are stacked up to make a shoe heel" (see heel (n.1)); meaning "bit of liquor left in a glass or bottle" first recorded 1780s; the exact connection is uncertain unless it be "the last or final part."
雙語例句
1. With a snarl, the second dog made a dive for his heel.
伴著一聲嗥叫，第二只狗撲向了他的腳后跟。
來自柯林斯例句
2. Horton's Achilles heel was that he could not delegate.
霍頓的軟肋在于他不懂得放權(quán)。
來自柯林斯例句
3. She snagged a heel on a root and tumbled to the ground.