Watch closely what I do.

仔细瞧我怎么做的。

Watch closely - I'm only going to show you once!

教练：看仔细了！！！我只示范一遍！！！！

You just got to watch closely for the tissue rejection.

你所做的只是仔细地观察是否有排斥。

When I bump a sparrow I watch closely where it puts-in and I mark the spot.

当我趟起一只雀鸟我会紧紧盯住它涨的位寘然后标记这点。

Hey China, watch closely as the meeting goes on as planned. We'll send ya pics.

嗨，中国，仔细看好如期举行的会见吧。我们会发你截图。