我不会用这个新的计算机系统，你能不能帮我一把？ After several lessons, I’m getting the hang of driving a car. 在上了几节驾驶课之后，我开始领悟到开车的窍门了。 I got the hang of gardening after watching a tutorial online. 在看了网上的教学视频后，我掌握种花养草的窍门了。

A phrase about something that only becomes clear at the last moment ...