赘肉 (zhuìròu): flab

Meanings

Dùzi shàng de zhuìròu zhēn nán jiǎn.

The flab on my belly is really hard to lose.

Jiānchí yùndòng kěyǐ jiǎndiào yāojiān de zhuìròu.

Sticking to exercise can get rid of love handles.

Zuìjìn pàngle, yāo shàng duōle yī quān zhuìròu.

I've gained weight recently — there's an extra roll of flab around my waist.

memory

赘 means "superfluous / extra" (as in 累赘 burden, 赘言 redundant words). So 赘肉 is literally "surplus flesh" — flesh the body could do without.

赘 zhuì

肉 ròu