He had the disease of alimentary canal.
他患了消化道疾病。
He accepted with alacrity.
他赶忙接了过去。
Although the man was very old, he still moved with alacrity.
他虽然很老，动作仍很敏捷。
I was instructed to make contact with maximum alacrity.
我被命令越快和你们取得联系越好。
The United Nations has acted with alacrity and determination in this crisis.
联合国在这场危机中的行动迅捷坚定。