Correct

喧宾夺主

/ xuān bīn duó zhǔ /
Strokes

Definition

lit. the voice of the guest overwhelms that of the host (idiom)/fig. a minor player upstages the main attraction/minor details obscure the main point/the sauce is better than the fish

Example

Definition

a presumptuous guest usurps the host's role; the secondary supersedes the primary; a minor issue takes precedence over a major one