根: root, basis, classifier for long slender objects, e.g. cigarettes, guitar strings, radical (chemistry)...
竣工: to complete a project...
存心: deliberately...
孤陋寡闻: ignorant and inexperienced, ill-informed and narrow-minded...
出入: to go out and come in, entrance and exit, expenditure and income, discrepancy, inconsistent...
孙子: grandson, son's son...
引擎: engine (loanword)...
表演: play, show, performance, exhibition, to perform, to act, to demonstrate...
停: to stop, to halt, to park (a car)...
独: alone, independent, single, sole, only...
