“go overboard”别理解成“去船上”，真实含义是做得过头；过分激动；过分热衷；做得过分（或过火）。

【例句】
At the same time, parents shouldn't go overboard.
同时，家长不应做得过分。

He goes overboard if he likes a girl - buys her flowers every day.
如果他喜欢一个女孩，他做得也有点过头了，每天都为她买花。