比较级和最高级: stiller，stillest
Stiller than a Fleet!
比舰队更安静！
Is stiller important than his son's life?!
比他儿子的性命还重要 ！
Then he laid stiller， and didn't make a sound.
后来，他躺得更老实了，不吱一声。We still sighted nine yachts.
我们还是看到了九艘游艇。
These peaches are still firm.
这些桃子还很硬。
She's still learning to read.
她还在学习识字。
Christmas is still months away.
离圣诞节还有几个月。
