be chary

See: beware
References in classic literature ?
The brothers William and Frederick Dorrit, walking up and down the College-yard--of course on the aristocratic or Pump side, for the Father made it a point of his state to be chary of going among his children on the Poor side, except on Sunday mornings, Christmas Days, and other occasions of ceremony, in the observance whereof he was very punctual, and at which times he laid his hand upon the heads of their infants, and blessed those young insolvents with a benignity that was highly edifying--the brothers, walking up and down the College-yard together, were a memorable sight.
The world should not celebrate too early as both countries have reason to be chary of each other.
The central bank said that speculative dealing in foreign currencies under prevailing laws and regulations is prohibited in Oman, and therefore the public must be chary of the risks involved.
Four teams have won the tournament so far, but even they will be chary of saying with certainty that they will win again.
(The National Rifle Association was also whipping its members into an unprecedented frenzy over the 1993 assault-weapons ban.) Democrats shouldn't be chary about repeating such tactics.
One should be chary of using the word "never" when referring to reconciliation between different religious traditions.
(4.) The IRS and Treasury should be chary in treating NQPS as an instrument other than stock, limiting the application of such rules to prevent taxpayers from obtaining tax-free treatment where the instrument received is subject to substantially less risk than the one exchanged.