The impasse is frustrating efforts by relief officials to coax the Kurds down from the mountains and back to their ancestral lands.

The move from Connecticut followed a lengthy and sometimes frustrating effort to find resources and secure a charter.

The club's vigilantes rode masked and at night, frustrating efforts to identify the mob.

Despite the Reagan Administration's frustrating efforts at better debt collection, the Bush administration is likely to study what can be done on that front.

For a writer, freelancing can be a frustrating, uncertain and unprofitable effort, but, occasionally, it provides a windfall.

It was a difficult, frustrating effort, and of questionable utility when language computers were facile enough.

Even worse is the frustrating effort to find an obscure bit of information that is, in theory, accessible by a search engine.

Across Africa, other governments are engaged in similar frustrating efforts.

But for now, Mr. Leno is feeling the rush that comes with success after long and often frustrating effort.

But over all it was another frustrating effort from an American squad that should have easily beaten what is essentially a semiprofessional team.