磨損至不能再使用的,筋疲力竭的
worn out
adj : drained of energy or effectiveness; extremely tired;
completely exhausted; "the day's shopping left her
exhausted"; "he went to bed dog-tired"; "was fagged and
sweaty"; "the trembling of his played out limbs"; "felt
completely washed-out"; "only worn-out horses and
cattle"; "you look worn out" [syn: {exhausted}, {dog-tired},
{fagged}, {fatigued}, {played out}, {spent}, {washed-out},
{worn-out(a)}, {worn out(p)}]