im
per
cep
tib
ly
1
难以察觉地, 不知不觉地
in a way that is impossible or extremely difficult to perceive or notice
- The improvements in the software occurred imperceptibly with each update.
软件的改进随着每次更新不易察觉地发生。
- The changes in the painting occurred imperceptibly over time.
绘画中的变化随着时间的推移不知不觉地发生了。
- The music's tempo slowed imperceptibly during the performance.
表演期间音乐的节奏难以察觉地变慢了。
- The shift in attitude happened imperceptibly but had a significant impact.
态度的转变不知不觉地发生了，但产生了重大影响。
- The details of the document changed imperceptibly after multiple revisions.
经过多次修改后，文件的细节难以察觉地改变了。
反义词：