“…Therefore, studying the association between lexical knowledge and language capability has attracted global attention. Over the past 20 years, many scholars have paid close attention to the association between lexis and reading (Cheng & Matthews, 2018;Li & Kirby, 2015;Nation, 2001;Qian, 1999Qian, , 2002 and listening (Cheng & Matthews, 2018;Matthews, 2018;Nation, 2001;Staehr, 2008Staehr, , 2009, and writing (Choi, 2017;Kilic, 2019;Olinghouse & Wilson, 2013;Webb, 2005) while a few researchers focused on the correlation between lexis and speaking ability (Alharthi, 2020;Koizumi & In'name, 2013;Uchihara & Saito, 2019). Further, few studies have ascertained the correlation between lexis and speaking in a Chinese setting.…”