動詞 fleet:

1. move along rapidly and lightly; skim or dart
   同義詞：flit, flutter, fleet, dart
2. disappear gradually
   同義詞：evanesce, fade, blow over, pass off, fleet, pass

形容詞 fleeting:

1. lasting for a markedly brief time
   同義詞：fugitive, momentaneous, momentary

1. The author has managed to trace many incidents in which the long arm of confidence brought the heroine in fleeting touch with the members of the family.
   作者設(shè)法追溯了許多事件，在這些事件中，由于離奇的機遇，使女主角與這一家庭有了短時間的接觸。
2. A faint or fleeting indication; a trace.
   模糊的暗示模糊的或一閃即逝的暗示; 跡象

fleet.ing

adj.（形容詞）
Passing quickly; ephemeral:
飛逝的；短暫的：
例句：
.fleeting passions of fantasy.(Gloria Vanderbilt)See Synonyms at transient
.一閃而過的幻想激情.(格洛麗亞·范德比爾特)參見 transient

【引伸】
fleet.ingly
adv.（副詞）
fleet.ingness
n.（名詞）