It's hard to grip his argument as he is constantly shifting his ground.
因为他总是改变立场，所以很难理解他的论点。
2
The next gravel section from the Picnic Ground is very loose, much looser than it was during testing and the grip level is low causing my car to slide easily.
下一个从地面砾石野餐节是非常松散，很松散比在测试和抓地力水平低，导致我的车很容易下滑。
3
The one essential requirement is that players packing low secure a very firm grip to avoid being penalised for going to ground.