You don't look at all like sea captain.

您看起来一点不像海军上校。

You don't look at all like a sea captain.

你看起来一点不像海军上校。

You don't look at all like a sea captain, sir.

你看起来不像个高大的海军上校。

Maria: You don't look like at all a sea captain.

玛丽亚：先生，你看起来一点都不像海军上校。

My uncle is a sea captain who is often away from home.

我的舅舅是一名船长，他经常远离家。