to come back from death's door (idiom) / unexpected rescue from danger / fig. to recover from a seemingly impossible situation / to find a way out of a predicament
小强
Xiǎo Qiáng
(slang) cockroach ("Little Qiang" was originally the name given to a dead cockroach that had supposedly been a pet of the lead character in the 1993 Hong Kong comedy movie "Flirting Scholar". Subsequently, it came to be used as a name for any cockroach, and also for characters in film and television who are seemingly indestructible or repeatedly resurrected.)
话里套话
huà lǐ tào huà
to use seemingly innocent conversation topics as a pretext to glean information / to touch upon other matters not central to the topic being discussed