wéi wèi jiù zhào
to besiege 魏[Wèi] and rescue 趙|赵[Zhào]
to relieve a besieged ally by attacking the home base of the besiegers (idiom)
wéi Wèi jiù Zhào
lit. to besiege 魏[Wei4] and rescue 趙|赵[Zhao4] (idiom)
fig. to relieve a besieged ally by attacking the home base of the besiegers