n. 25B6; verb
we should not overwork : WORK TOO HARD, work/run oneself into the ground, wear oneself to a shadow, work one's fingers to the bone, burn the candle at both ends, overtax oneself, burn oneself out, do too much, overdo it, strain oneself, overload oneself, drive/push oneself too hard; informal kill oneself, knock oneself out.
my colleagues did not overwork me : DRIVE (TOO HARD), exploit, drive into the ground, tax, overtax, overburden, put upon, impose on.