barely perceptible meaning in Chinese

勉强可觉察的

Injun joe gave a barely perceptible start .
印江乔埃微微惊动了一下，别人几乎看不出来。
There was a faint, barely perceptible movement of the water in the pool .
池里的水有一点微微的，几乎看不出的流动。
A tremulous or pulsating effect produced in an instrumental or vocal tone by barely perceptible minute and rapid variations in pitch
颤音一种颤动或振动效果，由可察觉的微小迅速的音阶变化在声音或乐器的调子中产生的