a relentless attack的用法和样例：
- Taking up the pen as a weapon, he launched a relentless attack on the capitalist system.
- For the past five months, Danny was subjected to a relentless attack of innuendo and false allegations and was denied any opportunity to defend himself.
- "Mountaineering is a relentless pursiut.
- This is the design philosophy that leads to overstuffed websites that resemble Times Square in their relentless attack on the senses.