They express frustration that apps for Android phones can take longer to build and can be buggier than apps they build for Apple's iPhone.
While trace amounts of anthrax spores have been found in recent days in small post offices that processed some of the deadly letters, law enforcement officials have suggested that the bioterrorism threat may be subsiding, even as they continue to express frustration about the hunt for those responsible.
On overcoming the skepticism of officials in Washington, who often express frustration with Mr. Karzai: "For this president, at this moment of its history, Afghanistan's history, to be able to hold together these tribes and these ethnic groups with these kinds of challenges has got to be one of the hardest jobs going.
Within the coalition government of Prime Minister Ariel Sharon, some right-wing cabinet ministers have begun to express frustration with the policy of tit-for-tat retaliation, which so far has in the main involved firing on empty buildings.
Many Afghan citizens look to them for help, and express frustration that, at times, military activities here seem to hint at nation-building -- and then stop short.
Unfortunately, lots of young scientists don't know that these are accessible and entirely respectable--even deeply satisfying--careers, and many express frustration that they are ill-prepared for these types of jobs.
Vandalizing company equipment is a classic way for workers to express frustration.
Last week, Bush expressed his frustration for the current state of partisan politics.
Some current and former administration officials, speaking on background, have expressed frustration with Obama for not yet forming a comprehensive approach to Isis, and especially for not attempting to take territory in eastern Syria away from the jihadi group.
Much of the debate was dominated by feisty exchanges, with repeated moments of candidates talking over one another and Mr. Statham expressing frustration with the free-for-all.
