Tougher
in example sentence
They produce six different types of silk, which is spun together into a fiber,
tougher
than any fiber humans have ever made.
More example sentences with word tougher
2008 and 2009 were a little
tougher.
I know that they were
tougher
for a lot of people, not just me.
And at each threshold, the going gets
tougher.
Now, the going gets
tougher.
All example sentences
