- 持久战 chíjiǔzhàn protracted warA war of long duration or a war of attrition; often a strategy used by a weaker side to gradually weaken the enemy over time.
- 旷日持久 kuàngrìchíjiǔ long-drawn-outprotracted; prolonged; lasting for a long time or taking a long time due to delay
- 持久性毒剂 chíjiǔxìngdújì persistent agenta chemical warfare agent that remains effective for a long period of time