Have to slow up because the head wind is filling the scows with water.
“We can slow up a bit again in a few minutes,” said the stranger.
As they looked out at the sight, which was a new one to Bunny and Sue, the train began to slow up.
Some one called: "slow up there, now," and then the door opened.
Mr. Payton hesitated, giving the command to slow up, nevertheless.
This caused the Confederate lines to slow up in their advance.
Reckon, Ad, they wont go many miles further before they just slow up, and then come to a full stop.
You have a rotten tendency to slow up at the line, just when you should be going the hardest.
As the beast did not slow up in the first ten yards, but rather settled into its stride, Kingozi took rapid aim and fired.
The rule for all divers, therefore, is "slow down, slow up."
Old English slaw "inactive, sluggish, torpid, lazy," also "not clever," from Proto-Germanic *slæwaz (cf. Old Saxon sleu "blunt, dull," Middle Dutch slee, Dutch sleeuw "sour, tart, blunt," Old High German sleo "blunt, dull," Old Norse sljor, Danish sløv, Swedish slö "blunt, dull"). Meaning "taking a long time" is attested from early 13c. Meaning "dull, tedious" is from 1841. As an adverb c.1500. The slows "imaginary disease to account for lethargy" is from 1843.
1550s, "make slower;" 1590s, "go slower," from slow (adj.). Related: Slowed; slowing. Old English had slawian (intransitive) "to be or become slow, be sluggish," but the modern use appears to be a 16c. re-formation.