Something that is intermittent happens occasionally rather than continuously.
sporadic
After three hours of intermittent rain, the game was abandoned.
雨断断续续地下了3个小时之后,比赛被取消了。
The constant movement of cables can easily damage the fragile wires inside, causing intermittent problems that are hard to detect.
经常移动电缆会很容易地破坏其内部脆弱的金属丝,造成难以查明的信号时断时续的故障。