这双新靴子看起来很时髦，但穿起来有点笨重不灵活。

These new boots look stylish but feel quite ___clunky when walking.

这台老式打印机又大又笨重，操作起来很不方便。

This old printer is so ___clunky that it's hard to use.

那台旧冰箱运转时发出笨重的哐当声。

The old fridge made ___clunky noises when it was running.