弓
bow
英 [ba? , b?] 美 [ba? , bo?]?
n.
弓，弓形物;琴弓;蝴蝶结;鞠躬;船头，船首;<美>眼镜脚，眼镜框;<美>（钥匙、剪刀等的）金属环状柄，圆形拎环
v.
鞠躬，欠身;低（头），俯（首）;让步，屈服;（使）弯曲;用弓拉奏（乐曲）
adj.
弯曲的，弓形的;近（船等）头部的，在前部的
牛津词典
verb
1、[V]?~ (down) (to/before sb/sth)
鞠躬；点头
to move your head or the top half of your body forwards and downwards as a sign of respect or to say hello or goodbye
He bowed low to the assembled crowd.
他向集结的人群深深地鞠了一躬。
The people all bowed down before the Emperor.
所有人都给皇帝鞠躬。
2、[VN]?低（头）；垂（首）
to move your head forwards and downwards
She bowed her head in shame.
她羞愧地低下了头。
They stood in silence with their heads bowed.
他们默默地垂头而立。