别担心，你很快就会掌握它的窍门。

Don't worry, you'll soon ___get ___the ___hang ___of it.

由于我没有任何先验知识，掌握它相当困难。

It was quite hard to ___get ___the ___hang ___of it, as I didn't have any prior knowledge.

经过几次尝试，他设法掌握了操作这台机械的窍门。

After several attempts, he managed to ___get ___the ___hang ___of operating the machinery.