mid-15c., from Latin alacritatem (nominative alacritas) "liveliness, ardor, eagerness," from alacer (genitive alacris) "cheerful, brisk, lively;" which is of uncertain origin, perhaps cognate with Gothic aljan "zeal," Old English ellen "courage, zeal, strength," Old High German ellian.
实用例句
1. They fell on the sandwiches with alacrity.
他们快活地扑向三明治。
来自柯林斯例句
2. As you can imagine, I accepted with alacrity.
你可以想象得到，我欣然接受了。
来自柯林斯例句
3. They accepted the offer with alacrity.
他们欣然接受了建议。
来自《权威词典》
4. Although the man was very old, he still moved with alacrity.