忽冷忽热; 作辍无常; 一阵一阵地; 忽断忽续
1. 间歇地：by file type 按文件类型 | by fits and starts 间歇地 | by fits 间歇地
2. 一曝十寒：to know the ropes 熟门熟路 | by fits and starts 一曝十寒 | like cures like 以毒攻毒
3. 时作时辍,忽缓忽急：65.by far 远. | 66.by fits and starts 时作时辍,忽缓忽急. | 67.by means of 用,赖,依靠.
4. 三天打渔,两天晒网：62by and large大体上,基本上 | 63by fits and starts三天打渔,两天晒网 | 64call it a day结束一天工作;暂停
adv
1. by fits and starts什么意思
1. intermittently
e.g. he worked on his book by fits and starts