frac·tious /ˈfrækʃəs/ adjectiveadjDHBANGRYsomeone who is fractious becomes angry very easily 煩躁的;易怒的;易發脾氣的 SYN irritableChildren become fractious when they are tired. 小孩子累了就容易發脾氣。
fractious baby/child etc 煩躁易怒的嬰兒/小孩等
—fractiousness noun [uncountableU]