低てい性せい能のう

noun

low performance; low efficiency

Used for machines, systems, or processes that do not perform well or have poor output relative to input. Often contrasted with 高性能 (high performance).

• この古ふるいパソコンは低てい性せい能のうで、新あたらしいソフトが動うごかない。

  This old computer has low performance and can't run new software.

• 低てい性せい能のうのエアコンは電でん気き代だいがかさむ。

  A low-efficiency air conditioner runs up the electricity bill.