英和和英

副詞

imperceptibly (comparative more imperceptibly, superlative most imperceptibly)

1. Not noticeably; such that it cannot be detected, through being too small or too fast, etc.

   No one noticed that he had moved imperceptibly backwards.

   • 1838, William Andrus Alcott, chapter I, in The Young House-keeper: Or, Thoughts on Food and Cookery‎, third stereotype edition, Boston: George W. Light, page 21:

     It often happens that the most important results in the natural world are brought about by causes which operate silently, if not imperceptibly.

   • 1956, Anthony Burgess, Time for a Tiger (The Malayan Trilogy), published 1972, page 154:

     The moon moved imperceptibly towards setting.

   • 1992, Neal Stephenson, Snow Crash, page 358:

     Which means that at the moment Raven entered her, a very small hypodermic needle slipped imperceptibly into the engorged frontal vein of his penis, automatically shooting a cocktail of powerful narcotics and depressants into his bloodstream.