I've been here for three weeks, and so far I've enjoyed it.
我已经在这里逗留了三个星期,到现在为止,我过得很好。
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石块不见了,前面是一片平地,唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。