Make a fool (out) of oneself/sb – To make oneself or somebody look stupid or ridiculous.
out可以省略的，其實就是make a fool of oneself
Examples:
1) She makes a real fool of Tom, he just can"t answer any of her questions.
2) Some lawmakers often make fools of themselves when they talk about things they are not familiar with.
3) Last time you drank wine, you made a fool of yourself.
4) Sam made a fool of himself while trying to make a fool out of Tam.
5) Are you trying to make a fool out of me?
Make a fool (out) of oneself/sb – To make oneself or somebody look stupid or ridiculous.
out可以省略的，其實就是make a fool of oneself
Examples:
1) She makes a real fool of Tom, he just can"t answer any of her questions.
2) Some lawmakers often make fools of themselves when they talk about things they are not familiar with.
3) Last time you drank wine, you made a fool of yourself.
4) Sam made a fool of himself while trying to make a fool out of Tam.
5) Are you trying to make a fool out of me?