(què) but; yet; however; while; to go back; to decline; to retreat; nevertheless; even though
(quèzhībùgōng) to refuse would be impolite
(quèdào) but on the contrary; but unexpectedly
(quècái) just now
(quèbù) to step back
(quèbìng) to prevent or treat a disease
(quèshuō) and the story continues thus: (literary auxiliary particle 發語辭|发语辞)