约定俗成: established by popular usage (idiom); common usage agreement, customary convention...
荒唐: beyond belief, preposterous, absurd, intemperate, dissipated...
时隔: separated in time (usu. followed by a quantity of time)...
畅销: to sell well, best seller, chart-topping...
萌芽: to sprout (or fig.), to bud, to germinate, germ, seed, bud...
旋律: melody...
曲线: curve, curved line, indirect, in a roundabout way...
咱们: we or us (including both the speaker and the person(s) spoken to), (dialect) I or me, (dialect) (in a coaxing or familiar way) you, also pr....
非法: illegal...
侃大山: to chatter idly, to gossip, to boast or brag...
