It's tough when you can't play at 100% in a very important tournament like this.
It's tough to beat a guy with powerful friends and plenty of experience overcoming difficulties.
Of course, since the programs are so new, it's tough to judge their performance.
They've got a lot of guys who can pound the puck, and it's tough to defend.
"It's tough to beat Android's price, " said Jeff Barney, vice president of Toshiba Corp.
His successor, Juan Manuel Santos, has promised to continue Mr Uribe's tough security policy.
It's tough, but at the end of the day it's not about one player.
"It's tough to go against our zone when you've never seen it before, " forward C.
Opposition socialists say this is proof that Sarkozy's tough security measures have been a failure.
"It's tough for them to see their son's killer walk free again, " he said.
It's tough when everyone else is going forward and I've been treading water all day.
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And besides, says the children's grandmother Alicia(ph), it's tough to even find a babysitter.
"It's tough to neutralize speed, especially when they're very good at what they do, " Bryant said.
But it's tough to make money that way, so the market decided 'B2C IS DEAD.
It's tough enough to craft rules to stop all the bad things Microsoft has already done.
"It's tough if you have an innovative product, " says Novartis drug development chief Joerg Reinhardt.
The Belarussian president's strident anti-western language does not chime with Mr Putin's tough but friendly approach.
America's tough restrictions on cross-ownership of different media businesses may pose a further obstacle to restructuring.
The free market is still underdeveloped, so it's tough to persuade people to invest in artistic projects.
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The university decided to upgrade from a smaller dog mascot to counter rival Florida's tough-looking alligator, Albert.
And they can be self-defeating: It's tough to learn or feel cared for in a prison-like setting.
Arizona's tough new immigration law is being tested not just in court but at the ballot box.
But it's tough to break the habit of looking at email, Facebook and Twitter the traditional way.
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That makes me sad for her ... it will make her stronger, but it's tough to watch.
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It's tough for the side to adapt, but hopefully we'll have Kyle Eastmond back at the weekend.
Even if Harbaugh's hard-eyed intensity can be a little grating, it's tough to bicker with the result.
For all Mr Estrada's tough talk, he has encouraged local officials to negotiate with individual guerrilla commands.
"It's tough to come here after a game like that and play against a top-five team, " Rennie said.
The EU's tough stance could have some beneficial effects, forcing Europe's big carriers to seek their own salvation.
Traditionally the new man has to prove in his first test that he's no pushover, that he's tough.
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