imperceptibly
adv. 无感觉地; 感觉不到地; 不知不觉地; 极微地
Something that is imperceptible is so small that it is not noticed or cannot be seen.
Brian's hesitation was almost imperceptible.
布赖恩的犹豫几乎难以察觉。
1. in an imperceptible manner or to an imperceptible degree;
New problems arose imperceptibly.
不知不觉地出现了一些新问题.
Imperceptibly, the boat had slowly turned.
船慢慢地在转弯, 简直使人不觉得.
Time fled, and she was surprised to find the year passed imperceptibly.
光阴飞逝, 她诧异地发觉一年不知不觉就过去了.
Miss Ley smilled almost imperceptibly.
莱伊小姐几乎察觉不出地微微一笑.
He approached imperceptibly the gloomy recess.
他不知不觉地走到了幽暗的山岔.