The big and clumsy box, fully filled with books. Whereas the other box he carried is to the contrast.

那个箱子又大又笨，装的全是书，不过他随身带的箱子却是另一回事。

youdao

He was a big clumsy giant of a man with broad face and small suspicious eyes.

他是一个有着一张大脸膛和多疑的眼睛的，笨拙如巨人般的男子。

youdao

American TVs and VCRs were big and clumsy.

FORBES: Digital rules

Both are transforming big clumsy data into big potent data, and even big pervasive data.

FORBES: Why Big Data Is Getting The Bully Treatment

Besides clumsy diplomacy and dubious economic policy, a big worry concerns the government's attitude to public institutions.

ECONOMIST: Poland's awkward government