Bootlessly
adv. 无益地
🗣️ 情景例句
Time heals all sorrows.
时间会治愈一切悲哀的。
Save a thief from gallows and he will help hang you.
放虎归山。
Their humbler followers, such as partridges, have a like power of strong propulsion, but soon tire.
次于野鸭和鸽子的鸟，如鹧鸪，有相似的巨大推动力，但很快会疲劳。