I am doubtful about the serious crime frontier if you are in that territory...It\ must depend entirely on the context".
We end up delighted by his dexterity, if a bit doubtful about the end to which it's been put.
If you are doubtful about the prospects of your own business, find out what your rivals are doing.
If you are doubtful about this, transfer the solids to another container; then measure the liquid - it should be just about 850ml.
In any case, Doubleday was already doubtful about Levin's ambiguous role: What if an interested producer decided on another playwright?
Downing Street says the idea isn't supposed to be driven by top-down meddling.At least the term has caught on, even if people are doubtful about what it signifies.
Get an independent second opinion if you are told that you have a life-threatening condition or that surgery is needed to correct a problem, or if you are doubtful about the quality of tests that were done.
There is plenty that should tempt anyone who is prepared to take a risk as an audience member, and if you are doubtful about spending your money there are plenty of free events.
If you're doubtful about their list, insist on a consensus.
If in this view it pleases us, we are tolerably satisfied… if we are doubtful about it, we are often, upon that very account, more anxious to gain their approbation, and … we are altogether distracted at the thoughts of their censure, which then strikes us with double severity (Smith 1982, p. 109).
Whatever you do don't try to split them up, if she seems doubtful about her relationship with her boyfriend its not a time to make them doubts blossom you'll be the one who comes off worst.
