laggard

noun

One who lags behind; one who takes more time than is necessary or than the others in a group.

He is always the laggard in our group, never able to keep up with the rest of us.

意味（1）

One who lags behind; one who takes more time than is necessary or than the others in a group.

Blushing I look upon my poor Resolves,

A Laggard in the Race, and faintly striving

To follow Excellence that soars so high.