LOOK, I NEED YOU TO PUT YOUR HANDS AGAINST MY HAND.

听着 我要你的手掌与我的相对。

A " knock" (knock) is the noise that's made when you hit your hand against some object, usually a piece of wood.

“敲门声” （敲门声）是当你用手敲打某个物体（通常是一块木头）时发出的声音。

Though I walk in the midst of trouble, you preserve my life. You stretch out your hand against the anger of my foes; with your right hand you save me.

我虽行在患难中，你必将我救活。我的仇敌发怒，你必伸手抵挡他们，你的右手也必救我。

And then during the wall angel movement, you want to make sure that you keep your elbows against the wall and the back of your hands against the wall the whole time.

然后在墙壁天使运动期间，你要确保你的肘部一直靠在墙上， 手背一直靠在墙上。

It means to put a lot of soap or cream on your skin and move it around – move your hand against the skin so that there is a foam that comes up, a foam with little bubbles in it.

它的意思是在你的皮肤上涂很多肥皂或乳霜，然后四处移动——用你的手在皮肤上移动，这样就会有泡沫冒出来，里面有小气泡的泡沫。