line

Sign your name on the dotted line.

请在虚线处签名。

The police couldn't arrest him because he'd fled across the state line.

警方无法逮捕他，因为他已经逃过了国界。

I'm afraid your line's been disconnected because your last bill hasn't been paid.

恐怕你的电话线已经被切断了，因为上次的账单你还没付呢。