板: to catch sight of in a doorway (old)...
正规: regular, according to standards...
此后: after this, afterwards, hereafter...
度过: to pass, to spend (time), to survive, to get through...
熟练: practiced, proficient, skilled, skillful...
诸多: (used for abstract things) a good deal, a lot of...
门槛: doorstep, sill, threshold, knack or trick (esp. scheme to get sth cheaper)...
烤鸭: roast duck...
操场: playground, sports field, drill ground...
弦: bow string, string of musical instrument, watchspring, chord (segment of curve), hypotenuse...
