clash
Noun 冲突, 撞击声, 抵触
VerbI 冲突, 抵触
VerbT 使发出撞击声
Invalid [计] 对撞

You could have a great deal of fun trying to invent a way to do this; a way for two threads to ensure that they don't clash.
可以进行许多有趣的尝试去发现一个合适的方法；这个方法要保证两个线程不会冲突。;