Como usar o ''out''

Alguém pode me explicar como usar o "out" como está nesta frase?

I think this one will help you out.

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PPAULO 6 49 1.3k
Here it has just a completive use. That is, it doesn´t need to be translated, it only means that it´s an action that you let the reader know that begins and comes to an end. Sometimes in a crescendo, or declining in intensity (drown out, for example).

So, it´s commom and used with verbs like "print" (print out), cross (cross out), thin (thinned out, for example), drown (drown out a sound), help (help out) etc.
You can read more about it at the entry "out" in the Oxford Dictionary (online), or other. I used that one.