不济

wǒ zuì jìn yǒu diǎn r jīng lì bù jì

我最近有点儿精力不济。

My energy has been failing me recently.

wǒ yǎn lì bù jì le

我眼力不济了。

My eyesight is failing.

tā màn màn de qì lì bù jì zài sài pǎo zhōng là zài hòu miàn le

他慢慢地气力不济，在赛跑中落在后面了。

Gradually his strength failed and he dropped behind in the race.