C 鞠躬，低头 an act of bending forward the head or the upper part of the body, especially to show respect

　make a ～　鞠躬
　take a ～　鞠躬答谢
　deep ～　深深的鞠躬
　low ～　深深的鞠躬
　polite ～　有礼貌的鞠躬
　slight ～　微微点头

　He made a polite bow to me.　他彬彬有礼地对我鞠了一躬。
　He gave the teacher a bow and moved away with tears in the eyes.　他向老师鞠了一躬，然后含泪走开了。
　The conductor had the soloists take a bow.　指挥请独奏者上前谢幕。
　The new book will make its bow early next year.　这本新书将于明年初问世。

1. vt. & vi.（向…)弯腰；鞠躬　 bend the upper part of the body forward, as a way of showing respect, admitting, defeat, etc.
2. vt.低头，俯首　 bend (one's head) forward

　～ one's head　低头
　～ one's thanks　鞠躬致谢
　～ the neck to　向…低头屈服
　～ low　深深鞠躬
　～ politely　彬彬有礼地行礼
　～ down to　崇拜…
　～ down upon one's knees　跪下请求
　～ down with age　因年老而腰弯
　～ sb in　恭敬地迎进某人
　～ sb out　恭敬地送出某人
　～ before　向…鞠躬
　～ before difficulties　向困难低头
　～ out of politics　退出政界
　～ to　向…鞠躬，屈从于
　～ to an injustice　屈服于不正当的行为
　～ to one's host　向主人行礼
　～ to sb's order　屈从某人的命令

　The trees bowed in the wind.　树木在风中弯下了腰。
　He bowed his thanks.　他鞠躬致谢。
　They bowed their heads in prayer.　他们在一起低头祷告。
　He bowed me to the door.　他恭敬地把我送到门口。
　He was bowed into a taxi.　他被点头哈腰地送上出租车。
　He is bowed with age.　他年老腰弯。
　He bowed me his heartiest thanks.　他向我鞠躬表示他衷心的谢意。

 ♣ bow before〔to〕　(v.+prep.)
1. 向（某人鞠躬） bend at the waist in a humble manner, in the presence of (sb important) or as a sign of worship of (a god)
　All the men in the court bowed before the king as he entered.　国王进来时，宫廷里所有人都向他躬身行礼。
2. 听从，同意… yield to sth
　I bow before your opinion, and will take your advice.　我同意你的意见，并接受你的忠告。
 ♣ bow down　(v.+adv.)
1. 压弯（某物）；使（某物）弯下 weigh down; cause (sth) to bend
　〔说明〕 bow down作此解时通常用于被动结构。
　The apple tree was bowed down with the weight of its fruit.　那棵苹果树果实累累，压弯了树枝。
　He was bowed down with troubles.　他因操劳过度而精神不振。
2. 屈服 admit defeat and agree to serve sb
　We shall never bow down to our enemies.　我们永远不会向敌人屈服。
 ♣ bow out　(v.+adv.)
1. 躬身送（某人）出门 bend politely to (sb) as he leaves
　The servant bowed the guests out as they left.　客人们离去时，仆人躬身送他们出门。
　When leaving the presence of the princess, you have to bow yourself out as you go.　辞别公主时，你必须躬身退出。
2. 放弃做（某事） stop doing sth
　Jim bowed himself out of the competition when he learned who his opponent was.　吉姆得知谁是他的对手后，退出了比赛。