下气怡声

Explanation: Deferential attitude under the gas acoustic sound and Yue Yi. Describe the sound of soft, deferential attitude. 　　Usage: Joint type; as the predicate attribute; with compliment, describing the sound soft, deferential attitude 　　Source: "In the Book of Rites," and the next sound of gas Yee asked sultry winter clothing. " 　　Examples: I walked up, ~ made my request, that my situation and begged them to help, I can take along. ★ Wei Junyi "Homecoming Qi car travel by road in mind" Thesaurus:  break wind a pleasant look