The phrase "a touch weaker" is correct and usable in written English.
It can be used to describe something that is slightly less strong or effective than something else.
Example: "The second argument presented was a touch weaker than the first, lacking sufficient evidence to support its claims."
Alternatives: "somewhat weaker" or "a bit less strong".
[C3.] Government Pegs 2nd-Quarter Growth Slightly Lower Economic growth was a touch weaker in the second quarter than first thought, the Commerce Department said.
It is strongest in the Baltic countries and Poland, a touch weaker in Hungary and the Czech Republic, weaker still in Slovakia and Slovenia.All of which is not to say that all generalisations about central Europe are false.
The Czechs' management skills are possibly a touch weaker than the Poles' or the Hungarians'; but on dealing with technological issues, the scores are reversed.You pays your moneyTraining people is one thing, but first you have to recruit them.
If gravity were slightly stronger than it is, for instance, stars would burn out quickly and collapse into black holes; if gravity were a touch weaker, stars would never have formed in the first place.
My tea turns out just a touch weak – the lemon verbena leaves I'm using are too large to pack in sufficient quantity, but in fairness I have similar problems with a ball-infuser.
Being able to pick and choose your battles is also a brilliant touch; weaker foes will avoid you when you're overpowered, thus avoiding the repetition of many Final Fantasy games.
More than half concurred with the suggestion that he is out of touch, weak or unclear about what he stands for.
His most popular adjectives are out of touch, weak, out of his depth and that really doesn't change across the segments," says Rick Nye, managing director of Populus.
Identification of sick newborn and referral: Referral suggested for convulsions, unconsciousness, breathing difficulty, the baby is hot or cold to the touch, weak or absent cry, lethargic or less-than-normal movement, inability to suckle, skin pustules or redness, umbilical redness extending to the skin, or yellow colouration of the body.
First, many senior Democrats fear that Republicans would successfully typecast Sanders in the general election as an out-of-touch, weak on defense, left-wing extremist.
(Two years earlier, in a lengthy review of "Dallas," the New Yorker television critic Michael J. Arlen had appreciatively described its villain, J. R. Ewing, as a character with "a touch of Tennessee Williams's mean-weak young Southern gentleman, a touch of old, snarly Dan Duryea, and a good deal of his own soft, spacy charm").
