bow/ bau /

1.noun [c] 
(of head,body) 鞠躬

2.noun [N汽车] 
(also: bows) 船首

3.vi.
(with head,body) 鞠躬

4.vt.[+head] 
低头

to bow to
 [+pressure,sb's wishes] 服从
to bow to the inevitable
向命运低头