<prompt> Pedzisa mutsara unotevera: MuChina pakati pezana remakore rechi20, Luan naYao vaingova nemapikicha okudzidza kubva. Pa  <response>: 1980 World Figure Skating Championships muDortmund, West Germany, vakapedza vari 15, vari pakupedzisira. Vakakwikwidza paWorld Championships kaviri zvakare muna 1981 na1982, vachipedza vari vokupedzisira nguva dzose. Vakamirira China pamitambo yeOlympic yechando ya1984 uye vakava wechi15. 