knob
nɒb noun
2
a knob of sth
a small piece of something 一小块某物;
将一小块黄油放在平底锅中熔化。
3 a PENIS [英,口,不礼貌] 阴茎 BrE spoken not polite
4
with (brass) knobs on
used especially by children to reply to an insult [英,口,过时] 更是那样〔尤为小孩反唇相讥时用语〕 BrE spoken old-fashioned